Loop Through Object in Reverse Order Using JavaScript
“Object.keys()” and the “Object.values()” method with the “reverse()” method is used to loop through objects in reverse order.
How to Get First Character From a String in JavaScript
“Bracket Notation ([ ])”, “charAt()” method or the “substring()” method is used to get the first character from a string in JavaScript.
Check if String Ends With Substring in JavaScript
“endsWith()” method, “substring()” method, or the “indexOf()” method is used to check if the string ends with a substring in JavaScript.
Check if event.target has a Specific Class Using JavaScript
“contains()” and “matches()” methods are used to check if event.target has a specific class. These methods return boolean values, “true” or “false”.
Add Element to Array at Specific Index in JavaScript
“splice()” method adds elements to an array at a specific index using JavaScript. It updates the array that is called rather than creating a new one.
Hide element when clicked outside using JavaScript
addEventListener() with add() method or display property, onclick event with display property, or jQuery can hide elements when clicked outside in JavaScript.
Set Background Image of a Div via Function in JavaScript
The style.backgroundImage property or the setAttribute() method can be utilized to set the background image of a div via function in JavaScript.
How to Increment by 2 in for Loop in JavaScript
The increment operator in the “for” loop increments its operand by 2 as (+=2). It means it adds 2 to the existing value in the next iteration.
How to Hide JavaScript Code in View Source
To hide the JavaScript code in the view source, store the source code in a separate script file or disable the user’s access to the developer’s tools.
How to Get User Agent in JavaScript
The user agent can easily be fetched in JavaScript by using the navigator.userAgent property. This property returns the user agent that is sent by browser.
How to Get Text Area Value in JavaScript?
The getElementById() method, the addEventListener() method or the jQuery can be utilized to get text area value in JavaScript.
JavaScript for…in VS for…of Loop
The for…of loop can be utilized to loop over strings and the for…in loop can be suitable to loop over objects in JavaScript.
JavaScript Escape Backslash
The backslash is an escape character and can be escaped from the string in JavaScript using the split() and replace() methods.
JavaScript call vs apply vs bind
The call(), apply(), and bind() methods can be implemented to integrate the functionalities of an object and a function using JavaScript.
Double Exclamation Operator Example in JavaScript
The double exclamation (!!) in JavaScript is a double logical not (!) operator. It’s a simple way to convert a variable to a boolean (true or false) value.
Get Height of the Div Element in JavaScript
The offsetHeight property, clientHeight property, scrollHeight property, or the jQuery approach can be used to get the height of the div element in JavaScript.
How to Compare Strings in JavaScript
To compare strings in JavaScript, you can use the Strict Equality operator (===), length property, and localeCompare() method.
How to Change Label Text Using JavaScript
The innerHTML property, the innerText property or the jQuery’s text() and html() methods can be utilized to change label text using JavaScript.
How to Case Insensitive String Comparison in JavaScript
The localeCompare() method, toUpperCase() and toLowerCase() methods, or test() method with regex pattern are used for case-insensitive comparison of strings.
How to Cancel Events in JavaScript?
The preventDefault() method, the boolean value approach, or the stopPropagation() method can be utilized to cancel events in JavaScript.