JavaScript Trim String

JavaScript strings have a neat trim() method that removes leading and trailing whitespace. Here’s what you need to know.

JavaScript strings have a trim() method that you can use to can use to remove leading and trailing whitespace from a string.

let str = ' hello world ';
str.trim(); // 'hello world'

str = 'hello world ';
str.trim(); // 'hello world'

The trim() method removes all whitespace characters, not just spaces. That includes tabs and newlines.

let str = '\thello world\n';
str.trim(); // 'hello world'

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Javascript Trim: How to Trim String in Javascript

Javascript string trim() is an inbuilt function that removes whitespace from both sides of the String. Whitespace, in this context, is all of the whitespace characters, including space, tab, no-break space, and all the line terminator characters, including LF, CR, etc.

Javascript Trim String

To trim String in JavaScript, use String.trim() method. The trim() method returns the String stripped of whitespaces from both ends of the String. The** trim()** does not affect the value of the String itself.

The trim() function does not take any arguments. For many years, JavaScript has had  String.prototype.trim(), a built-in function to remove both the leading & trailing whitespace.

Syntax

str.trim()

The trim() does not affect the value of the String itself.

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JavaScript Strings Tutorial

JavaScript Strings

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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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Hire Dedicated JavaScript Developers -Hire JavaScript Developers

It is said that a digital resource a business has must be interactive in nature, so the website or the business app should be interactive. How do you make the app interactive? With the use of JavaScript.

Does your business need an interactive website or app?

Hire Dedicated JavaScript Developer from WebClues Infotech as the developer we offer is highly skilled and expert in what they do. Our developers are collaborative in nature and work with complete transparency with the customers.

The technology used to develop the overall app by the developers from WebClues Infotech is at par with the latest available technology.

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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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