JavaScript Concepts and Examples Quiz

One way to create a module in JavaScript is by using 'module.exports' to export functions or data. For example, creating a module 'math.js' containing a function to add numbers, and then using 'require' in a Node.js file to use this module.

Asynchronous programming in JavaScript allows tasks to run separately from the main program flow, ensuring non-blocking behavior. An example of this is using setTimeout() to delay the execution of a function.

In JavaScript, elements in the DOM can be found using methods like getElementById(), getElementsByClassName(), querySelector(), and querySelectorAll().

<p>JSON is a data interchange format used for storing and exchanging data, while String Object is a built-in object in JavaScript used for manipulating strings.</p> Signup and view all the answers

<p>JQuery selectors are used to select and manipulate HTML elements, providing a powerful way to interact with the DOM. For example, $('p') selects all <p> elements on a webpage.</p></p> Signup and view all the answers

<p>Traversing the DOM tree in JQuery involves moving up and down the HTML structure to find elements. For example, $('li').parent() selects the parent element of all elements.</p> Signup and view all the answers