jQuery Basics Quiz
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Questions and Answers

Which method should be used to perform an Ajax call in jQuery?

  • reload.data(url, [data], [callback])
  • load(url, [data], [callback]) (correct)
  • fetchData(url, [data], [callback])
  • ajax.call(url, [data], [callback])

What does the selector $("div.intro") select?

  • The first div element with class="intro"
  • The first div element with id="intro"
  • All div elements with class="intro" (correct)
  • All div elements with id="intro"

In jQuery, what does the method outerWidth() return?

  • The outer width of an element excluding margin
  • The total width of the element along with its outer margins
  • The outer width of an element including the border (correct)
  • The inner width of an element excluding padding

What is the purpose of the param() method in jQuery?

<p>To convert an array or object into a query string format (A)</p> Signup and view all the answers

Which jQuery method is used to set the background color of all span elements to blue?

<p>$(“span”).css(“background-color”,“blue”); (B)</p> Signup and view all the answers

Which HTML element defines navigation links?

<nav> (A) Signup and view all the answers

Which HTML attribute is used to define inline styles?

<p>style (B)</p> Signup and view all the answers

What does HTML stand for?

<p>Hyper Text Markup Language (C)</p> Signup and view all the answers

What is the correct syntax for adding a background color for all

elements?

<p>h1 {background-color:#FFFFFF;} (D)</p> Signup and view all the answers

Which function of the Array object returns the first index of an element equal to a specified value?

<p>indexOf() (D)</p> Signup and view all the answers

What is the correct HTML for inserting an image?

<p><img src='image.gif'> (B)</p> Signup and view all the answers

Which property is used to change the font of an element?

<p>font-family (A)</p> Signup and view all the answers

A function with no return value is called __________.

<p>Procedure (B)</p> Signup and view all the answers

Which function of Array object reverses the order of the elements in an array?

<p>reverse() (D)</p> Signup and view all the answers

Which of the following is a proper syntax for defining a CSS style that changes text color?

<p>body {color: black;} (D)</p> Signup and view all the answers

What does the CSS property 'font-size' control?

<p>The size of the text (C)</p> Signup and view all the answers

Which HTML element is used to create a line break?

<p><br> (A)</p> Signup and view all the answers

What is a ternary operator often used for?

<p>To write a conditional statement (B)</p> Signup and view all the answers

Which of the following statements best describes the purpose of the escape sequence '\f'?

<p>Represents a page break in printing (B)</p> Signup and view all the answers

Which of the following methods gives a string representation of a number in a locale-sensitive format?

<p>toLocaleString() (D)</p> Signup and view all the answers

How do you correctly select elements with class name 'test' in CSS?

<p>.test (B)</p> Signup and view all the answers

Which character is used to indicate an end tag in HTML?

<p>/ (A)</p> Signup and view all the answers

Which HTML tag is used to define an internal style sheet?

&lt;style> (B) Signup and view all the answers

What does it mean if a language is case-sensitive?

<p>It differentiates between lower and uppercase letters. (A)</p> Signup and view all the answers

Which operator is used to check that a value is not equal to 'null' in JavaScript?

<p>!== null (C)</p> Signup and view all the answers

Which property is used to change the background color of an element?

<p>background-color (A)</p> Signup and view all the answers

Which function returns the index of the last occurrence of a specified value in a string?

<p>lastIndexOf() (B)</p> Signup and view all the answers

Which class applies hover color to a specific row or cell of a table?

<p>.warning (A)</p> Signup and view all the answers

Which class is used to create thumbnail images?

<p>.img-thumbnail (C)</p> Signup and view all the answers

Which Bootstrap style is used for combining button sets for complex components?

<p>.btn-toolbar (D)</p> Signup and view all the answers

Which class creates a list of items?

<p>.list-group (D)</p> Signup and view all the answers

Which Bootstrap style aligns nav links or forms to the right in a navbar?

<p>.navbar-right (B)</p> Signup and view all the answers

What is the correct data-selector Data attribute of Popover Plugin?

<p>All of the above (D)</p> Signup and view all the answers

What is the default size of an H5 Bootstrap heading?

<p>16px (B)</p> Signup and view all the answers

Which of the following Bootstrap styles is used to create pills navigation?

<p>.nav-pills (A)</p> Signup and view all the answers

Which class indicates a dropdown menu in Bootstrap?

<p>.dropdown (D)</p> Signup and view all the answers

What jQuery method is used to switch between adding/removing classes from selected elements?

<p>toggleClass() (A)</p> Signup and view all the answers

Which jQuery method is used to hide selected elements?

<p>hide() (B)</p> Signup and view all the answers

Which method checks the current selection against an expression in jQuery?

<p>is( selector ) (C)</p> Signup and view all the answers

Which method is used to perform an asynchronous HTTP request in jQuery?

<p>ajax() (D)</p> Signup and view all the answers

Which method loads a remote page using an HTTP request in jQuery?

<p>ajax() (B)</p> Signup and view all the answers

Flashcards

HTML background color

Using CSS to set the background color of HTML elements.

HTML navigation links

HTML elements like <a> tags used for creating hyperlinks.

Procedures (Functions)

Functions in programming that don't return a value.

Inline styles in HTML

Using the 'style' attribute to modify an HTML element's presentation directly in the HTML.

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JavaScript errors

JavaScript errors can be caused by many things, including division by zero, syntax errors, or missing semicolons.

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CSS background color for all elements

Targeting all h1 elements with CSS to set their background color.

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HTML header element

The HTML element used to define a section header.

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HTML hyperlinks

Using HTML anchors to link from one document to another.

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lastIndexOf() function

Returns the index of the last occurrence of a specified value in a string.

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indexOf() function

Returns the index of the first occurrence of a specified value in a string.

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join() function

Joins the elements of an array into a string.

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map() function

Creates a new array with the results of calling a provided function on every element in the calling array.

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High-level programming language

A programming language that is closer to human language and easier to understand than machine language.

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JavaScript case-sensitivity

JavaScript is a case-sensitive language. This means that 'MyVar' is different from 'myvar'.

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Selecting element by ID

Use the '#' symbol followed by the element's ID to select it.

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String lastIndexOf()

Returns the index of the last occurrence of a specified value in a string.

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toLocaleString() method

Converts a number to a string, adapting to the browser's locale.

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HTML em tag

Defines emphasized text.

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CSS syntax

Use curly brackets '{}' to define CSS rules, and a colon ':' to separate a property from its value.

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Ternary operator

A concise way to write conditional expressions.

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HTML line break

Creates a line break in the output.

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Array sort()

Sorts the elements of an array in place.

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JavaScript comment

// this is a comment

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CSS external stylesheet

Links to an external CSS file.

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jQuery AJAX Call

The jQuery load() method is used to make an AJAX call in jQuery. It takes the URL to load, optional data, and a callback function as arguments.

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jQuery Selector for Div Elements

The jQuery selector $(“div.intro”) selects all div elements that have the class intro.

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jQuery innerHeight()

The innerHeight() method in jQuery retrieves the inner height of an element, excluding its border.

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jQuery .is() Method

The jQuery .is() method takes a selector as its argument and returns true if at least one of the selected elements matches the specified selector.

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jQuery outerWidth() Method

The jQuery outerWidth() method returns the outer width of an element, including its border and any optional margin.

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Bootstrap Hover Color

The .warning, .active, .success, and .danger classes are used to apply hover color to a specific row or cell within a table in Bootstrap.

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Bootstrap Thumbnail Image

The .img-thumbnail class is used to style an image as a thumbnail in Bootstrap.

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Bootstrap Button Group

The .btn-group class is used to group sets of buttons together to create more complex components in Bootstrap.

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Bootstrap Button Toolbar

The .btn-toolbar class combines sets of button groups or buttons into a toolbar for more complex components in Bootstrap.

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Bootstrap List

The .list-group class is used to create a list of items in Bootstrap.

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Bootstrap Navbar Alignment

The .navbar-left and .navbar-right classes are used to align navigation bar elements (links, forms, buttons, text) to left or right in Bootstrap.

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Bootstrap Data Selector

The data-selector attribute in Bootstrap's Popover Plugin is used to delegate or target specific elements to display the popover.

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Bootstrap H5 Heading Size

The default font size of an h5 heading in Bootstrap is 18px.

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Bootstrap Pills Navigation

The .nav-pills class is used to create a pills navigation, where navigation items appear as pill-shaped buttons.

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Bootstrap Warning Button

The .btn-warning class is used to style a button to indicate caution should be taken with the associated action in Bootstrap.

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Bootstrap Round Corner Image

The .img-rounded class styles an image with rounded corners in Bootstrap.

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Bootstrap Dropdown Menu

The .dropdown class indicates a dropdown menu in Bootstrap.

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Bootstrap Tooltip Plugin

The tooltip plugin in Bootstrap is used to create tooltips, which are small, pop-up descriptions that appear when hovering over an element.

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Bootstrap Default Form Layout

The default layout of a Bootstrap form is vertical.

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jQuery Text Method

The text() method in jQuery is used to set the text content of an element.

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Study Notes

HTML Background Color

  • Add background color using CSS: h1 {background-color:#FFFFFF;}
  • Use the <nav> element to define navigation links.

JavaScript Procedures

  • A function with no return value is called a procedure.

Inline Styles in HTML

  • Use the style attribute for inline styles: <div style="color:red;"></div>

JavaScript Errors

  • JavaScript errors include syntax errors, division by zero, and missing semicolons.

Background Color for All Elements

  • Use a CSS selector to apply a background color to all elements: h1 {background-color: #FFFFFF;} (Corrected).

HTML Header Element

  • <header> element defines a header for a document or section.

HTML Tag: Acronym

  • Acronym is a term for abbreviations or initialisms. It is rendered in sans-serif with capitals. <acronym title="World Health Organization">WHO</acronym>

HTML Stnad for

  • HTML stands for Hyper Text Markup Language

HTML Background Images

  • Use the background-image property to insert a background image within CSS. For example: <style>body { background-image: url("image.jpg"); }</style>

HTML List Styles

  • Use CSS to style lists with squares: ul {list-style-type: square;}

HTML Image Tag

  • The <img> tag is used to insert an image: <img src="image.jpg" alt="Description">
  • Correct HTML for a hyperlink: <a href="http://www.tip.edu.ph">T.I.P.Schools.com</a>

Font Style

  • Use font-family to change the font: p {font-family: "Arial", sans-serif;}

Equality Comparison in JavaScript

  • a === b checks for equality of value and type.

Array Functions

  • indexOf(): Returns the index of the first occurrence of an element.
  • lastIndexOf(): Finds the index of the last occurrence of a value. (Corrected)

Programming Language Level

  • A scripting language is a high-level programming language.

Case Sensitivity in JavaScript

  • JavaScript is a case-sensitive language

Selecting Elements by ID in CSS/HTML

  • Select an element with ID 'demo': #demo (Corrected)

String Functions

  • lastIndexOf(): Returns the index of the last occurrence of a substring.

Number Object Function

  • toLocaleString(): Formats a number as a string based on the browser's locale.

Emphasized Text in HTML

  • Use the <em> tag for emphasized text: <em>This is emphasized text.</em>

CSS Syntax

  • Correct CSS syntax: body {color: black;}

Ternary Operator

  • The ternary operator is ?: (e.g., condition ? value1 : value2).

JavaScript Placement Options

  • JavaScript can be embedded directly within HTML files.

Line Break in HTML

  • <br> tag creates a line break.

Array Sorting

  • sort(): Sorts the elements of an array.

HTML Checkboxes

  • <input type="checkbox"> creates a checkbox.

Array Reverse

  • reverse(): Reverses the order of elements in an array.

Escape Sequences (JavaScript)

  • \f represents a form feed (not specific to HTML or CSS).

CSS Comments

  • // this is a comment

External Style Sheets

  • Place <link> tag inside the <head> section to reference an external style sheet.

JavaScript Execution

  • Call JavaScript code with events (clicks, etc.), function calls, or methods.

Local Variables

  • Local variables are only accessible within the function they're declared in.

Text Size in CSS

  • Use font-size to change text size: p {font-size: 16px;}

Objects in Programming

  • An object is a collection of named properties (with values).

Selecting Elements by Class

  • Use .class for CSS selectors: .test

Bold Text in CSS

  • Use font-weight: bold; to make text bold: p {font-weight: bold;}

HTML Text Input

  • <input type="text"> defines a text input field.

Background Color in CSS

  • Use background-color to set a background color: div { background-color: blue; }

HTML Tag Endings

  • End tags in HTML are denoted by </element_name>.

CSS Acronym

  • CSS stands for Cascading Style Sheets.

Internal Style Sheets in HTML

  • Use <style> tags within <head> to define internal style sheets.

String Conversion to Upper Case in JavaScript

  • toUpperCase(): Converts a string to uppercase.

Important Text in HTML

  • Use the <strong> tag to define important text: <strong>This is important.</strong>

Null Check in JavaScript

  • Use if (a !== null) to check if a is not null, as this is a strict comparison.

CSS Selector Grouping

  • Combine selectors with commas: h1, p { color: blue; }

Anonymous Functions in JavaScript

  • You can pass anonymous functions as arguments to other functions.

Highest Heading in HTML

  • <h1> tag defines the largest heading.

HTML Elements

  • Specify the element type like <p>, <div>, <h1>, etc.

Bootstrap Plugins

  • The plugin used to create a modal window is modal.

Bootstrap Table Styles

  • table.table-hover.table-striped.table-bordered creates a table with stripes and hover.

Bootstrap Button Styles

  • btn-warning indicates caution.

Bootstrap Framework Developers

  • Bootstrap was developed by Mark Otto and Jacob Thornton

Bootstrap Pagination

  • Bootstrap uses pagination for pagination.

Hovered Table Rows

  • Use table-row for hovering on table rows.

Bootstrap Image Styles

  • img-thumbnail makes images appear like thumbnails.

Bootstrap Button Groups

  • btn-group groups buttons.

Bootstrap List Items

  • Use list-group for lists of items.

Bootstrap Navbar Alignment

  • navbar-left and navbar-right align elements in a navbar.

Bootstrap Popover Attributes

  • data-placement specifies popover positioning (top, bottom, etc.).
  • data-content sets popover content.

Bootstrap Heading Sizes

  • Default H5 heading size in Bootstrap is 1.5rem (16px).

Bootstrap Navigation Styles

  • nav-pills creates pill navigation.

Bootstrap Form Layouts

  • Default layout is vertical.

Bootstrap Progress Bars

  • Use progress-stacked to create a stacked progress bar.

jQuery Text Selection

  • :contains() selects elements containing text.

jQuery Element Height

  • Set the height of div elements to 100 pixels: $("div").height(100);

jQuery Effects

  • Use hide(), show(), and toggle() for animation.

jQuery Class Switching

  • toggleClass() toggles classes.

jQuery Element Positioning

  • position(): Returns element position relatively to its offset parent.

jQuery AJAX Request

  • $.ajax(): Performs an asynchronous HTTP request.

jQuery Remote Page Loading

  • load(): Loads a remote page.

jQuery Selector Expression Check

  • is(selector) checks if an element matches a selector.

jQuery Element Hiding

  • hide(): Hides the selected elements.

jQuery Ready Event Control

  • holdReady(): Controls jQuery's ready event.

jQuery Shortcut

  • jQuery is used with the $ sign (dollar sign).

jQuery Function Equivalents

  • $.foo() is equivalent to jQuery.foo().

jQuery JSON Parsing

  • parseJSON(): Parses JSON text.

jQuery Array Iteration

  • forEach(): Iterates over array elements.

jQuery Global Function

  • jQuery(), the constructor, as well as $(), is a global jQuery function.

jQuery Class Checking

  • hasClass(): Checks for the presence of a specified class.

String Character Access

  • charAt(): Retrieves a character from a string.

jQuery AJAX Calls

  • load() is a jQuery method for performing AJAX calls.

jQuery Element Selection (div.intro)

  • Selects all <div> elements with the class "intro."

Short Form - Minimum

  • min usually means minimum value.

jQuery Inner Height

  • innerHeight(): Returns inner height, excluding padding and border.

jQuery Selector Match Check

  • is(selector) checks the current selection against a selector expression.

jQuery Outer Width

  • outerWidth([margin]): Returns outer width (including border and margins).

jQuery Data Serialization

  • param(): Serializes data in an array or object format.

jQuery Style Property Retrieval

  • Use .css('property') for a specific style property

jQuery Background Color for Span

  • $("span").css("background-color", "blue"); sets the background color of all span elements to blue.

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Test your knowledge of fundamental jQuery concepts with this quiz. Answer questions about Ajax calls, element selectors, and methods like outerWidth() and param(). Perfect for beginners looking to solidify their understanding of jQuery basics.

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