JavaScript String trim() Method

The trim() method is used to remove extra spaces from a string. It helps clean user input by removing unwanted whitespace.

• Removes whitespace from both ends of the string.
• Returns a new trimmed string.
• The original string is not modified.

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.

[Example 2]: Trimming Leading Whitespace from a String

GeeksforGeeks

[Example 3]: Trimming Whitespace from both sides of String