JavaScript Spread Operator: In this tutorial, we will learn about the JavaScript spread (...) operator with its usages and examples.
Let's look at an example where it actually matters that&∧||don't necessarily produce a boolean value. Imagine you're developing a web application. Users can be signed out, in which case theuserobject isnull, or they can be signed in, in which case theuserobject exists and has anisAdm...
javascript:void window.open("http://www.whitehouse.gov/")does not change the content of the current page. A more involved example: The following bookmarklet lets one submit the URL of the current web page to the sitesubmit.example.com: javascript:void window.open( "http://submit.example.c...
The JavaScript’sapply()method calls a function with a giventhisvalue, and arguments provided as anarray. For example, in the below example, both highlighted function calls are equivalent. They both print the same output. The Spread operator (part of ECMAScript 6) is a better version of the...
Example: Java Ternary Operator importjava.util.Scanner;classMain{publicstaticvoidmain(String[] args){// take input from usersScanner input =newScanner(System.in); System.out.println("Enter your marks: ");doublemarks = input.nextDouble();// ternary operator checks if// marks is greater than ...
What is the point of void operator in JavaScript? I've seen some people usingvoidoperator in their code. I have also seen this inhrefattributes:javascript:void(0)which doesn't seem any better thanjavascript:; So, what is the justification of using thevoidoperator?
Now that you know that you can chain ternary operators in JavaScript let us show you a quick example. With this example, we create a variable called “a” and assign it the value35. We will use this variable in both of our conditions. ...
Let us start by exploring a basic usage of the comma operator within JavaScript. This example will focus on showing you the operator’s left-to-right evaluation behavior. We will explain this in two parts to give a better understanding of what is happening with this example. Let us start ...
Spread operator with objects Just like arrays, you can also spread the properties of an object into another object. Here's an example: constinfo={name:"Dillion",age:100,}constfullInfo={...info,language:"JavaScript",stack:"frontend",}console.log(fullInfo)// {// name: 'Dillion',// age...
Also, we'll do a brief comparison with the if-else statement, so we know when to use which one. Ternary Operator in JavaScript As in any other language, ternary operator in JavaScript has three operands: (condition) ? returnExpressionIfTrue : returnExpressionIfFalse; We can easily ...