What is Split() Method and How to Split a String In JavaScript

What is a split function and how we can split a string in JavaScript, In this complete article we will learn the JavaScript split function with the help of different examples. So, before we jump into the code, we have to know more about split functions and syntax.

Introduction to JavaScript Split String

The split() function in JS split the string into an array of smaller strings and returns a new array. You can get the value using the array index after using the split function.

Syntax of JS Split Function

The separator is an optional parameter but you can set any regular expression like comma, colon, space, etc, or any character to split the string.

The limit is also an optional parameter, It takes an integer value that sets the limit of splitting on the given string.

Some major points to know about split strings in JavaScript,

  1. If you use an empty parameter as a separator like string.split(""), then it will split all the characters from the string.
  2. Suppose you set space as a separator in the split function string.split(” “), then the function checks the spaces in the statement of string and split by spaces.
  3. Now, if you use 2 as the limit and space as separator string.split(' ',2), then it checks space and takes 2 strings from the statement or sentence.

Example of JavaScript Split String

In the above example, we split a string into an array by using space as a separator.

Then split function converts the complete string statement into an array.

Then we get the value by using the index of an array.

Output:

The output of a Split function
The output of a Split function

This example also satisfies the query for “JavaScript split string by space”.

JavaScript Split String Into an Array By Comma

In this example, we print the complete array that is created by the JS split function with the help of a comma separator.

Output:

The output of Split String Into an Array By Comma
The output of Split String Into an Array By Comma

By Using Limit Parameter in JavaScript Split Function

In the above example, we use space as a separator and 3 as a limit parameter.

It will only check 3 strings and prints an array of those string.

Output:

The output of limit parameter in split JavaScript function
The output of limit parameter in split javascript function

Splitting String by Regular Expression (RegEXP) using JS Split Function

Output:

In the above code, we set the regular expression as a separator and split the complete statement as an array by using the JavaScript split function.

You can run all the code here JSFiddle – Code Playground and Run PHP Code (phpcoder.tech).

Conclusion

Here we discuss complete source code examples of the JavaScript Split function. How we can use the live projects in various ways.

Also, discuss important points to remember about the JS Split function.

I hope you all understand the use of the split function. If you face any issues please let me know.

Happy Coding..!

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My name is Bikash Kr. Panda. I own and operate PHPCODER.TECH. I am a web Programmer by profession and working on more than 50 projects to date. Currently I am working on the web-based project and all the CMS and frameworks which are based on PHP.
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