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JavaScript String trimStart() and trimLeft() Method

Last Updated : 12 Jul, 2025

This article demonstrates trimEnd and trimRight methods of JavaScript string. Both methods are used to perform the same task and their implementation is shown below:

JavaScript trimStart() method:

The trimStart() method in JavaScript is used to remove whitespace from the beginning of a string. The value of the string is not modified in any manner, including any whitespace present after the string. 

Syntax:

string.trimStart();

Return Value:

It returns the final string that is stripped out of all the white space in the beginning. 

Example: This example implements the trimStart() method. 


Output
"GeeksforGeeks "
"Hello There! "

JavaScript trimLeft() method:

The trimStart() method has an alias which is the trimLeft() method. It performs exactly the same function as the trimStart() method. 

Syntax:

string.trimLeft();

Return Value:

It returns the final string that is stripped out of all the white space in the beginning. 

Example: This example implements the trimLeft() method. 


Output
"GeeksforGeeks "
"Portal "

We have a complete list of Javascript Strings, to check those please go through the article.

Supported Browsers: The browsers supported by trimStart() method are listed below:

  • Google Chrome
  • Firefox
  • Edge
  • Safari
  • Opera
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