Summary

This is a past paper from a course in Web programming. It includes questions and answers related to CSS, HTML, and other fundamental programming concepts.

Full Transcript

HOME ► COURSES ► FAKÜLTƏ ► AEROKOSMIK ► KOMPÜTER SISTEMLƏRI VƏ PROQRAMLAŞDIRMA ► WEB TEXNOLOGIYALARIN AVIASIYADA TƏTBIQI (S/F) ► ABDULLAYEV XAQANI BƏKULLA ► EN WEB TEXNOLOGIYALARIN AVIASIYADA TƏTBIQI (S/F) A ► GENERAL ► YOXLAMA ► PREVIEW Started on Tuesday, 24 December 2024, 8:3...

HOME ► COURSES ► FAKÜLTƏ ► AEROKOSMIK ► KOMPÜTER SISTEMLƏRI VƏ PROQRAMLAŞDIRMA ► WEB TEXNOLOGIYALARIN AVIASIYADA TƏTBIQI (S/F) ► ABDULLAYEV XAQANI BƏKULLA ► EN WEB TEXNOLOGIYALARIN AVIASIYADA TƏTBIQI (S/F) A ► GENERAL ► YOXLAMA ► PREVIEW Started on Tuesday, 24 December 2024, 8:37 AM QUIZ NAVIGATION State Finished 1 2 3 4 5 6 7 Completed on Tuesday, 24 December 2024, 8:38 AM Time taken 1 min 10 secs 8 9 10 11 12 13 14 Marks 0.00/285.00 15 16 17 18 19 20 21 Grade 0.00 out of 10.00 (0%) 22 23 24 25 26 27 28 Question 1 A property used for lay-outing element in CSS. 29 30 31 32 33 34 35 Not answered Select one: 36 37 38 39 40 41 42 Marked out of 1.00 Flag question a. absolute 43 44 45 46 47 48 49 Edit question b. relative 50 51 52 53 54 55 56 c. position 57 58 59 60 61 62 63 d. layout 64 65 66 67 68 69 70 The correct answer is: position 71 72 73 74 75 76 77 78 79 80 81 82 83 84 Question 2 An is used to display a web page within a web page. 85 86 87 88 89 90 91 Not answered 92 93 94 95 96 97 98 Marked out of 1.00 Select one: 99 100 101 102 103 104 105 Flag question a. None of these Edit question b. True 106 107 108 109 110 111 112 c. False 113 114 115 116 117 118 119 d. There is no such thing as an 120 121 122 123 124 125 126 127 128 129 130 131 132 133 The correct answer is: True 134 135 136 137 138 139 140 141 142 143 144 145 146 147 Question 3 Block elements are normally displayed without starting a new line. 148 149 150 151 152 153 154 Not answered Marked out of 1.00 Select one: 155 156 157 158 159 160 161 Flag question a. True Edit question 162 163 164 165 166 167 168 b. There is no such thing as an block element 169 170 171 172 173 174 175 c. False d. None of these 176 177 178 179 180 181 182 183 184 185 186 187 188 189 The correct answer is: False 190 191 192 193 194 195 196 197 198 199 200 201 202 203 Question 4 Choose the correct HTML element to define emphasized text 204 205 206 207 208 209 210 Not answered Select one: 211 212 213 214 215 216 217 Marked out of 1.00 Flag question a. 218 219 220 221 222 223 224 Edit question b. 225 226 227 228 229 230 231 c. 232 233 234 235 236 237 238 d. 239 240 241 242 243 244 245 The correct answer is: 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 Question 5 What will be the output of below program?package com.journaldev.java;public class Test { public static void main(String[] args) { Not answered Super s = new Subclass(); s.foo(); }}class Super { void foo() { System.out.println("Super"); }}class 267 268 269 270 271 272 273 Marked out of 1.00 Subclass extends Super { static void foo() { System.out.println("Subclass"); }} 274 275 276 277 278 279 280 Flag question Select one: 281 282 283 284 285 Edit question a. Super Finish review b. Runtime error Start a new preview c. Subclass d. Compile time error NAVIGATION Your answer is incorrect. Home The correct answer is: Compile time error My home Site pages Question 6 What will be the output of the program?public class SqrtExample { public static void main(String [] args) { double value = -9.0; My profile Not answered System.out.println( Math.sqrt(value)); }} Current course Marked out of 1.00 EN_Web texnologiyaların Select one: aviasiyada tətbiqi Flag question a. NaN (s/f)_A... Edit question b. Compilation fails. Participants c. -3.0 Badges d. 3.0 General Yoxlama Your answer is incorrect. İmtahan The correct answer is: NaN Courses ADMINISTRATION Question 7 Which of the below are unchecked exceptions in java? Not answered Quiz administration Select one or more: Edit settings Marked out of 1.00 a. IOException Group overrides Flag question User overrides Edit question b. RuntimeException Edit quiz c. NullPointerException Preview d. ClassCastException Results Locally assigned roles Your answer is incorrect. Permissions The correct answer is: RuntimeException, ClassCastException, NullPointerException Check permissions Filters Logs Question 8 Which of the following statement(s) are true for java? Backup Not answered Restore Marked out of 1.00 Select one or more: Question bank Flag question a. We only need JRE to run java programs. Course administration Edit question b. JDK is required to compile java programs. Switch role to... c. JVM is responsible for converting Byte code to the machine-specific code. d. JRE doesn’t contain JVM My profile settings Site administration Your answer is incorrect. The correct answer is: JVM is responsible for converting Byte code to the machine-specific code., We only need JRE to run java Search programs., JDK is required to compile java programs. Question 9 What will be the output of below program?public class Test { public static void main(String[] args) { String s1 = "abc"; Not answered String s2 = "abc"; System.out.println("s1 == s2 is:" + s1 == s2); }} Marked out of 1.00 Select one: Flag question a. true Edit question b. false c. s1 == s2 is:true d. s1 == s2 is:false Your answer is incorrect. The correct answer is: false Question 10 What will be output of below program?public class Test { public void main(String[] args) { int x = 10*20-20; Not answered System.out.println(x); }} Marked out of 1.00 Select one: Flag question a. Runtime Error Edit question b. Prints 0 c. Compile-time error. d. Prints 180 Your answer is incorrect. The correct answer is: Compile-time error. Question 11 Select all the interfaces implemented by String class. Not answered Marked out of 1.00 Select one or more: Flag question a. Cloneable Edit question b. Comparable c. Serializable d. Constable Your answer is incorrect. The correct answer is: Serializable, Comparable, Constable Question 12 What will be the output of below statements?String s = "Java"+1+2+"Quiz"+""+(3+4);System.out.println(s); Not answered Marked out of 1.00 Select one: Flag question a. Java3Quiz7 Edit question b. Java3Quiz34 c. Java12Quiz7 d. Java12Quiz34 Your answer is incorrect. The correct answer is: Java12Quiz7 Question 13 What will happen if we try to compile and run below program?interface Foo{ int x = 10;}public class Test { public static void Not answered main(String[] args) { Foo.x = 20; System.out.println(Foo.x); }} Marked out of 1.00 Select one: Flag question a. Prints 10 Edit question b. Compile Time Error c. Prints 20 d. Runtime error because Foo.x is final. Your answer is incorrect. The correct answer is: Compile Time Error Question 14 Which of the following statements are true about String in java? Not answered Marked out of 1.00 Select one or more: Flag question a. String class is defined in java.util package. Edit question b. String is immutable in Java. c. String is case sensitive in Java. d. We can extend String class like StringBuffer does it. e. String is thread-safe in Java. Your answer is incorrect. The correct answer is: String is immutable in Java., String is thread-safe in Java., String is case sensitive in Java. Question 15 How can you select an element with a specific class named "example"? Not answered Marked out of 1.00 Select one: Flag question a. example { } Edit question b. #example { } c..example { } d. element.example { } The correct answer is:.example { } Question 16 How can you select an element with both class "one" and class "two"? Not answered Marked out of 1.00 Select one: Flag question a. one.two { } Edit question b. one.two { } c..one.two { } d..one +.two { } The correct answer is:.one.two { } Question 17 How do you add a background color for all elements? Not answered Marked out of 1.00 Select one: Flag question a. #h1{background-color:#FFFFFF;} Edit question b. h1.all {background-color:#FFFFFF;} c. h1 {background-color:#FFFFFF;} d. all.h1 {background-color:#FFFFFF;} The correct answer is: h1 {background-color:#FFFFFF;} Question 18 How do you align items along the horizontal axis in a grid container? Not answered Marked out of 1.00 Select one: Flag question a. horizontal-align Edit question b. grid-align c. justify-content d. align-items The correct answer is: justify-content Question 19 How do you center a grid item both horizontally and vertically in a grid cell? Not answered Marked out of 1.00 Select one: Flag question a. place-content: center center; Edit question b. align-center: center; c. center-item: true; d. center: center; The correct answer is: place-content: center center; Question 20 How do you display a border like this: The top border = 10 pixels, The bottom border = 5 pixels, The left border = 20 pixels, The right Not answered border = 1pixel? Marked out of 1.00 Select one: Flag question a. border-width:10px 1px 5px 20px; Edit question b. border-width:10px 20px 5px 1px; c. border-width:5px 20px 10px 1px; d. border-width:10px 5px 20px 1px; The correct answer is: border-width:10px 1px 5px 20px; Question 21 How do you display hyperlinks without an underline? Not answered Marked out of 1.00 Select one: Flag question a. a {text-decoration:none;} Edit question b. a {decoration:no-underline;} c. a {underline:none;} d. a {text-decoration:no-underline;} The correct answer is: a {text-decoration:none;} Question 22 How do you group selectors? Not answered Marked out of 1.00 Select one: Flag question a. Separate each selector with a space Edit question b. Separate each selector with a plus sign c. Separate each selector with a dot d. Separate each selector with a comma The correct answer is: Separate each selector with a comma Question 23 How do you hide an element on smaller screens in CSS? Not answered Marked out of 1.00 Select one: Flag question a. opacity: 0; Edit question b. visibility: hidden; c. hidden: true; d. display: none; The correct answer is: display: none; Question 24 How do you make a grid item span multiple columns in CSS Grid? Not answered Marked out of 1.00 Select one: Flag question a. span-columns: 2; Edit question b. grid-span: 2; c. col-span: 2; d. grid-column: span 2; The correct answer is: grid-column: span 2; Question 25 How do you make a list that lists its items with squares? Not answered Marked out of 1.00 Select one: Flag question a. list-style: square; Edit question b. list: square; c. list-type: square d. list-style-type: square; The correct answer is: list-style-type: square; Question 26 How do you select all elements that have a title attribute? Not answered Marked out of 1.00 Select one: Flag question a. [title] { } Edit question b..title { } c. [title] element { } d. element[title] { } The correct answer is: [title] { } Question 27 How do you select the first matching element with a specific tag name in JavaScript? Not answered Marked out of 1.00 Select one: Flag question a. document.querySelector('tag') Edit question b. selectFirstByTagName() c. querySelector('tag') d. document.getFirstByTagName() The correct answer is: document.querySelector('tag') Question 28 How would you select all elements on a webpage? Not answered Marked out of 1.00 Select one: Flag question a. #paragraph { } Edit question b. p { } c..paragraph { } d. element-p { } The correct answer is: p { } Question 29 In CSS Grid, how do you create a gap between grid items? Not answered Marked out of 1.00 Select one: Flag question a. item-gap: 10px; Edit question b. grid-gap: 10px; c. gap: 10px; d. margin-gap: 10px; The correct answer is: gap: 10px; Question 30 What does CSS stand for? Not answered Marked out of 1.00 Select one: Flag question a. Cascading Style Sheets Edit question b. Creative Style Sheets c. Colorful Style Sheets d. Computer Style Sheets The correct answer is: Cascading Style Sheets Question 31 What does the HSL color model stand for? Not answered Marked out of 1.00 Select one: Flag question a. Hue Saturation Luminance Edit question b. Hexadecimal Saturation Lightness c. High Saturation Level d. Hue Shade Lightness The correct answer is: Hue Saturation Luminance Question 32 In MySQL, which command is used to create a primary key on a table? Not answered Marked out of 1.00 Select one: Flag question a. ADD PRIMARY KEY (column_name) Edit question b. CREATE PRIMARY KEY (column_name) c. SET PRIMARY KEY (column_name) d. PRIMARY KEY (column_name) Your answer is incorrect. The correct answer is: ADD PRIMARY KEY (column_name) Question 33 Which SQL statement is used to change the password of a MySQL user account? Not answered Marked out of 1.00 Select one: Flag question a. ALTER USER user@host PASSWORD = 'new_password' Edit question b. UPDATE USER user@host PASSWORD = 'new_password' c. SET USER user@host PASSWORD = 'new_password' d. CHANGE USER user@host PASSWORD = 'new_password' Your answer is incorrect. The correct answer is: ALTER USER user@host PASSWORD = 'new_password' Question 34 Which SQL statement is used to delete all records from a table? Not answered Marked out of 1.00 Select one: Flag question a. ERASE FROM table_name Edit question b. TRUNCATE table_name c. DELETE FROM table_name d. REMOVE FROM table_name Your answer is incorrect. The correct answer is: DELETE FROM table_name Question 35 Which SQL command is used to create a copy of an existing table? Not answered Marked out of 1.00 Select one: Flag question a. DUPLICATE TABLE new_table_name FROM old_table_name Edit question b. CLONE TABLE new_table_name FROM old_table_name c. CREATE TABLE new_table_name LIKE old_table_name d. COPY TABLE new_table_name AS old_table_name Your answer is incorrect. The correct answer is: CREATE TABLE new_table_name LIKE old_table_name Question 36 Which SQL command is used to change the value of a column in a table? Not answered Marked out of 1.00 Select one: Flag question a. SET COLUMN Edit question b. UPDATE c. ALTER d. MODIFY COLUMN Your answer is incorrect. The correct answer is: UPDATE Question 37 What does the SQL command "LEFT JOIN" do in MySQL? Not answered Marked out of 1.00 Select one: Flag question a. Returns all rows from the right table, and the matched rows from the left table Edit question b. Returns all rows from the left table, and the matched rows from the right table c. Returns rows when there is a match in both tables d. Returns only the rows from the left table that have no match in the right table Your answer is incorrect. The correct answer is: Returns all rows from the left table, and the matched rows from the right table Question 38 What is the purpose of the SQL command "COMMIT" in MySQL? Not answered Marked out of 1.00 Select one: Flag question a. Saves the changes made to the database since the last savepoint Edit question b. Undoes the changes made to the database since the last savepoint c. Begins a new transaction in the database d. Commits the transaction to the database Your answer is incorrect. The correct answer is: Commits the transaction to the database Question 39 What does the SQL command "LIKE" do in MySQL? Not answered Marked out of 1.00 Select one: Flag question a. Compares a value to similar values using wildcard operators Edit question b. Joins two tables based on similar values c. Compares a value to exact matches only d. Compares two columns for similarity Your answer is incorrect. The correct answer is: Compares a value to similar values using wildcard operators Question 40 Which SQL statement is used to delete a database in MySQL? Not answered Marked out of 1.00 Select one: Flag question a. DROP DATABASE database_name Edit question b. DELETE DATABASE database_name c. ERASE DATABASE database_name d. REMOVE DATABASE database_name Your answer is incorrect. The correct answer is: DROP DATABASE database_name Question 41 What does the SQL command "ORDER BY" do in MySQL? Not answered Marked out of 1.00 Select one: Flag question a. Sorts the table in alphabetical order Edit question b. Sorts the table in numerical order c. Sorts the result-set in descending order d. Sorts the result-set in ascending order Your answer is incorrect. The correct answer is: Sorts the result-set in ascending order Question 42 The complexity of the linear search algorithm is Not answered Marked out of 1.00 Select one: Flag question a. O(n2) Edit question b. O(log n) c. O(n) d. O(n log n) Your answer is incorrect. The correct answer is: O(n) Question 43 Which data structure represents a collection of elements with no specific order? Not answered Marked out of 1.00 Select one: Flag question a. Stack Edit question b. Linked List c. Set d. Queue Your answer is incorrect. The correct answer is: Set Question 44 The complexity of the Bubble sort algorithm is Not answered Marked out of 1.00 Select one: Flag question a. O(log n) Edit question b. O(n2) c. O(n) d. O(n log n) Your answer is incorrect. The correct answer is: O(n2) Question 45 Can you guess which of the following data structure is NOT a linear data structure? Not answered Marked out of 1.00 Select one: Flag question a. Arrays Edit question b. Linked lists c. None of above d. Both of above Your answer is incorrect. The correct answer is: None of above Question 46 The complexity theory does not contain the following case, which is? Not answered Marked out of 1.00 Select one: Flag question a. Null case Edit question b. Worst case c. Average case d. Best case Your answer is incorrect. The correct answer is: Null case Question 47 What data structure uses LIFO? Not answered Marked out of 1.00 Select one: Flag question a. Stack Edit question b. Binary Tree c. Hash Map d. Queue e. Linked List Your answer is incorrect. The correct answer is: Stack Question 48 In order traversal of binary search tree will produce − Not answered Marked out of 1.00 Select one: Flag question a. unsorted list Edit question b. sorted list c. none of the above d. reverse of input Your answer is incorrect. The correct answer is: sorted list Question 49 Which data structure stores elements in non-contiguous memory locations? Not answered Marked out of 1.00 Select one: Flag question a. Stack Edit question b. Linked List c. Binary Search Tree d. Array Your answer is incorrect. The correct answer is: Linked List Question 50 Which data structure allows efficient search, insert, and delete operations in sorted order? Not answered Marked out of 1.00 Select one: Flag question a. Stack Edit question b. Queue c. Linked List d. Binary Search Tree Your answer is incorrect. The correct answer is: Binary Search Tree Question 51 Which algorithm is used to find the shortest path in a weighted graph? Not answered Marked out of 1.00 Select one: Flag question a. Dijkstra's algorithm Edit question b. Linear search c. Depth-first search d. Binary search Your answer is incorrect. The correct answer is: Dijkstra's algorithm Question 52 Element is positioned relative to the viewport, which means it always stays in the same place even if the page is scrolled Not answered Marked out of 1.00 Select one: Flag question a. relative Edit question b. static c. absolute d. fixed The correct answer is: fixed Question 53 For showing heading in HTML web page we use ___ tag. Not answered Marked out of 1.00 Select one: Flag question a. Strong Edit question b. Article c. Bold d. Heading The correct answer is: Heading Question 54 How can you create a global variable in a function in JS? Not answered Marked out of 1.00 Select one: Flag question a. Use the window keyword Edit question b. Declare it without any keyword c. It's not possible to create a global variable in a function d. Use the global keyword The correct answer is: Use the window keyword Question 55 How can you open a link in a new tab/browser window? Not answered Marked out of 1.00 Select one: Flag question a. Edit question b. a href="url" target> c. d. The correct answer is: Question 56 How can you optimize images for better web performance? Not answered Marked out of 1.00 Select one: Flag question a. By using the HTML tag Edit question b. By using high-resolution images c. By avoiding the use of images d. By compressing images and using appropriate file formats The correct answer is: By compressing images and using appropriate file formats Question 57 How can you prevent a variable from being global in JavaScript? Not answered Marked out of 1.00 Select one: Flag question a. Use the private keyword Edit question b. Use the let or const keyword c. Global variables cannot be prevented d. Use the local keyword The correct answer is: Use the let or const keyword Question 58 How do you access the value of a global variable declared with let or const? Not answered Marked out of 1.00 Select one: Flag question a. variableName Edit question b. global.variableName c. window.variableName d. this.variableName The correct answer is: variableName Question 59 How do you attach an event listener to an HTML element in JavaScript? Not answered Marked out of 1.00 Select one: Flag question a. element.attachEvent() Edit question b. element.addEventListener() c. element.onEvent() d. element.listenEvent() The correct answer is: element.addEventListener() Question 60 How do you call a function named "myFunction"? Not answered Marked out of 1.00 Select one: Flag question a. function myFunction() Edit question b. call myFunction() c. myFunction() d. call function myFunction() The correct answer is: myFunction() Question 61 How do you check which mouse button was clicked in a mouse event? Not answered Marked out of 1.00 Select one: Flag question a. event.button Edit question b. event.which c. event.clickButton d. event.mouseButton The correct answer is: event.button Question 62 How do you create a fixed-size grid container in CSS Grid? Not answered Marked out of 1.00 Select one: Flag question a. fixed-grid: true; Edit question b. grid-size: fixed; c. container-fixed: true; d. width: 300px; height: 200px; The correct answer is: width: 300px; height: 200px; Question 63 How do you create a new HTML element using JavaScript? Not answered Marked out of 1.00 Select one: Flag question a. createElement() Edit question b. createNode() c. addNode() d. newElement() The correct answer is: createElement() Question 64 How do you create a responsive grid layout using CSS Grid? Not answered Marked out of 1.00 Select one: Flag question a. Use percentage values for grid columns and also use media queries to adjust grid properties based on screen size Edit question b. none of these c. Use media queries to adjust grid properties based on screen size d. Use percentage values for grid columns The correct answer is: Use percentage values for grid columns and also use media queries to adjust grid properties based on screen size Question 65 How do you declare a function in JavaScript? Not answered Marked out of 1.00 Select one: Flag question a. function myFunction() {} Edit question b. declare function myFunction() {} c. create function myFunction() {} d. new function myFunction() {} The correct answer is: function myFunction() {} Question 66 How do you declare a JavaScript variable? Not answered Marked out of 1.00 Select one: Flag question a. variable carName; Edit question b. v carName; c. variable #carName; d. var carName; The correct answer is: var carName; Question 67 How do you declare an arrow function in JavaScript? Not answered Marked out of 1.00 Select one: Flag question a. const myFunction = () => {} Edit question b. function myFunction() => {} c. const myFunction() => {} d. arrow function myFunction() {} The correct answer is: const myFunction = () => {} Question 68 How do you define a grid container in CSS Grid? Not answered Marked out of 1.00 Select one: Flag question a. grid: container; Edit question b. display: grid; c. grid-container: true; d. layout: grid; The correct answer is: display: grid; Question 69 How do you handle errors in a Promise in JavaScript? Not answered Marked out of 1.00 Select one: Flag question a. Using the try-catch statement. Edit question b. By attaching a.catch() block to the Promise chain. c. By using the throw keyword. d. Errors in Promises are automatically handled. The correct answer is: By attaching a.catch() block to the Promise chain. Question 70 How do you insert a comment in a CSS file? Not answered Marked out of 1.00 Select one: Flag question a. // this is a comment // Edit question b. c. // this is a comment d. ' this is a comment The correct answer is: Question 71 How do you make each word in a text start with a capital letter? Not answered Marked out of 1.00 Select one: Flag question a. text-transform:capitalize Edit question b. text-style:capitalize c. transform:capitalize d. You can't do that with CSS The correct answer is: text-transform:capitalize Question 72 How do you make the text bold? Not answered Marked out of 1.00 Select one: Flag question a. text:bold Edit question b. font:bold; c. font-weight:bold; d. style:bold; The correct answer is: font-weight:bold; Question 73 How do you remove an HTML element from the DOM using JavaScript? Not answered Marked out of 1.00 Select one: Flag question a. element.delete() Edit question b. element.remove() c. removeElement() d. deleteElement() The correct answer is: element.remove() Question 74 How do you select all p elements inside a div element? Not answered Marked out of 1.00 Select one: Flag question a..p div Edit question b. div.p c. div + p d. div p The correct answer is: div p Question 75 How do you select all paragraphs inside an element with the class "main"? Not answered Marked out of 1.00 Select one: Flag question a. main > p { } Edit question b. p.main { } c. p.main { } d..main p { } The correct answer is:.main p { } Question 76 How do you select an element with id 'demo'? Not answered Marked out of 1.00 Select one: Flag question a..demo Edit question b. demo c. *demo d. #demo The correct answer is: #demo Question 77 How do you select elements based on their position in the document in JavaScript? Not answered Marked out of 1.00 Select one: Flag question a. nthElement() Edit question b. document.querySelectorAll(':nth-child( n )') c. getElementPosition() d. document.position() The correct answer is: document.querySelectorAll(':nth-child( n )') Question 78 How do you select elements with class name 'test'? Not answered Marked out of 1.00 Select one: Flag question a..test Edit question b. #test c. *test d. test The correct answer is:.test Question 79 How do you select multiple elements by their class name in JavaScript? Not answered Marked out of 1.00 Select one: Flag question a. selectElementsByClass() Edit question b. selectAll() c. getElementsByClassName() d. queryAll() The correct answer is: getElementsByClassName() Question 80 How do you select the last element matching a CSS selector in JavaScript? Not answered Marked out of 1.00 Select one: Flag question a. document.querySelectorAll()[document.querySelectorAll().length - 1] Edit question b. lastElement() c. querySelectorLast() d. getLastElement() The correct answer is: document.querySelectorAll()[document.querySelectorAll().length - 1] Question 81 How does a FOR loop start? Not answered Marked out of 1.00 Select one: Flag question a. for (i

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