JavaScript Strings: 10 Fundamentals You Should Know

This article looks at the 10 most important things to know about strings in JavaScript.

1. Strings are created using single and double quotes

2. Strings are immutable

4. Strings look like they have methods

5. The built-in String function can convert any value into a string

6. The + operator does both addition and concatenation

7. Strings can be converted to and from an array

8. Methods allow detecting if a substring is contained in a string

9. Methods allow extracting part of a string

9. Template strings allow embedded expressions

10. Strings are represented using Unicode UTF-16

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JavaScript Strings Tutorial

JavaScript Strings

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Top 10 JavaScript String Methods You Should Know

Introduction

String methods in JavaScript help you to work with strings, mastering those methods is a good idea, because a lot of times you will find yourself working with strings in your JavaScript program or application, So you will need to know those methods. That’s why in this article I decided to show you 10 useful string methods that maybe you didn’t know some of them.

Photo by Irvan Smith on Unsplash

1. String Length

The **length** property returns the length of a string. Take a look at the example below:

The Length method.

2. Searching for a String

You can search for a string inside another string using the search method, It will return the position of that string. Have a look at the example below:

The Search method.

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The essential JavaScript concepts that you should understand

As a JavaScript developer of any level, you need to understand its foundational concepts and some of the new ideas that help us developing code. In this article, we are going to review 16 basic concepts. So without further ado, let’s get to it.

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What is JavaScript - Stackfindover - Blog

Who invented JavaScript, how it works, as we have given information about Programming language in our previous article ( What is PHP ), but today we will talk about what is JavaScript, why JavaScript is used The Answers to all such questions and much other information about JavaScript, you are going to get here today. Hope this information will work for you.

Who invented JavaScript?

JavaScript language was invented by Brendan Eich in 1995. JavaScript is inspired by Java Programming Language. The first name of JavaScript was Mocha which was named by Marc Andreessen, Marc Andreessen is the founder of Netscape and in the same year Mocha was renamed LiveScript, and later in December 1995, it was renamed JavaScript which is still in trend.

What is JavaScript?

JavaScript is a client-side scripting language used with HTML (Hypertext Markup Language). JavaScript is an Interpreted / Oriented language called JS in programming language JavaScript code can be run on any normal web browser. To run the code of JavaScript, we have to enable JavaScript of Web Browser. But some web browsers already have JavaScript enabled.

Today almost all websites are using it as web technology, mind is that there is maximum scope in JavaScript in the coming time, so if you want to become a programmer, then you can be very beneficial to learn JavaScript.

JavaScript Hello World Program

In JavaScript, ‘document.write‘ is used to represent a string on a browser.

<script type="text/javascript">
	document.write("Hello World!");
</script>

How to comment JavaScript code?

• For single line comment in JavaScript we have to use // (double slashes)
• For multiple line comments we have to use / * – – * /

<script type="text/javascript">

//single line comment

/* document.write("Hello"); */

</script>

Advantages and Disadvantages of JavaScript

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