JavaScript Basics

enabling dynamic interactions with web pages without requiring server-side processing

to create responsive and interactive web applications that respond to user actions

Primitive types and Object types

<p>the function in which it is declared, or globally if declared outside of any function</p> Signup and view all the answers

<p>var has function scope, while let has block scope</p> Signup and view all the answers

<p>to declare a constant variable that cannot be reassigned</p> Signup and view all the answers

<p>number</p> Signup and view all the answers

<p>Security Risks, such as cross-site scripting (XSS) attacks</p> Signup and view all the answers

<p>onkeypress</p> Signup and view all the answers

<p>Array</p> Signup and view all the answers

<p>Heavy reliance on JavaScript can impact page load times and overall performance</p> Signup and view all the answers

<p>To trigger actions when the mouse pointer is moved onto an element</p> Signup and view all the answers

<p>exposure of sensitive logic or data to users</p> Signup and view all the answers

<p>to ensure compatibility and consistent behavior</p> Signup and view all the answers

<p>to convert a string to uppercase</p> Signup and view all the answers

<p>to target and apply styles to specific HTML elements</p> Signup and view all the answers

<p>to display structured information about one or more variables, including its type and value</p> Signup and view all the answers

<p>it is commonly used for debugging purposes</p> Signup and view all the answers