JavaScript String trim() Method

The trim() method is used to remove the whitespace from both sides of a string. It does not change the original string. It is used for trimming unnecessary spaces from strings or user input data.

Note: This method does not modify the original string, it returns a new trimmed string.

Syntax

str.trim();

Parameters

This method does not accept any parameter.

Return value

Returns a new string without any of the leading or trailing white spaces. 

Example 1: Trimming Whitespace from the End of a String.

// String with trailing what spaces let s = "GeeksforGeeks "; // trim() method to remove while spaces let s1 = s.trim(); console.log(s1); 

GeeksforGeeks 

Example 2: Trimming Leading Whitespace from a String

// Original string with whitespace let s = " GeeksforGeeks"; // Trimmed string let s1 = s.trim(); console.log(s1); 

GeeksforGeeks 

Example 3: Trimming Whitespace from both sides of String

// String with whitespace let s = " GeeksforGeeks "; // Trimmed string let s1 = s.trim(); console.log(s1); 

GeeksforGeeks 

We have a complete list of Javascript string methods, to check those please go through this JavaScript String Reference article.

Supported Browsers

• Google Chrome
• Edge 
• Firefox
• Opera
• Safari