8. jQuery

Question 1

What is jQuery?

Answer 1

A fast, small, and feature-rich JavaScript library designed to simplify the scripting of HTML

Question 2

What is jQuery structure?

Answer 2

$(selector).action();

Question 3

What is $?

Answer 3

A shorthand for jQuery.

Question 4

Reading HTML

Answer 4

$(“#myDiv”).html();

Question 5

Writing /updating HTML content of the selected element

Answer 5

$(“#myDiv”).html(“<p>New HTML Content</p>”);

Question 6

What is .html() method used for?

Answer 6

Used to get or set the HTML content of an element

Question 7

What is .val() method used for?

Answer 7

Used to get or set the value of form elements, such as input, textarea, or select elements

Question 8

What is .append() method used for?

Answer 8

Used to insert content at the end of the selected element(s). It allows you to dynamically add new HTML elements without replacing existing content

Question 9

What is an event?

Answer 9

An event is a condition that your code is waiting for

Question 10

How to program a clickable button?

Answer 10

$(“#btn_1”).click(function(){
console.log(“button click!”);
});

Question 11

Click method syntax

Answer 11

$().click();

Question 12

What is anonymous function?

Answer 12

Function with no name?