JavaScript String trim() Method

Below is the example of the String trim() Method. 

• Example: 

• Output: 

GeeksForGeeks

str.trim() method is used to remove the white spaces from both the ends of the given string.

Syntax:  

str.trim()

Return value: 
This method returns a new string, without any of the leading or the trailing white spaces. 

Examples for the above method are provided below:

Example 1: 

var str = "GeeksforGeeks      ";
var st = str.trim();
print(st);

Output:  

GeeksForGeeks

In this example the trim() method removes all the leading and the trailing spaces in the string str.

Example 2:  

var str = "   GeeksforGeeks";
var st = str.trim();
print(st);

Output:  

GeeksForGeeks

In this example the trim() method removes all the leading and the trailing spaces in the string str.

Codes for the above method are provided below:

Program 1:  

Output: 

GeeksForGeeks

Program 2:  

Output: 

GeeksForGeeks

str.trimLeft() 
str.trimLeft() method is used to remove the white spaces from the start of the given string. It does not affect the trailing white spaces. 

Syntax:  

str.trimLeft()

Return value: 
This method returns a new string, without any of the leading white spaces. 

Examples for the above method are provided below:

Example 1:  

var str = "      GeeksforGeeks      ";
var st = str.trimLeft();
print(st);

Output:  

GeeksForGeeks

In this example the trimLeft() method removes all the leading spaces, but the trailing spaces in the string str remain as they are.

Example 2:  

var str = "   GeeksforGeeks";
var st = str.trim();
print(st);

Output:  

GeeksForGeeks

In this example the trimLeft() method removes all the leading spaces from str.

Codes for the above method are provided below:

Program 1:  

Output: 

GeeksForGeeks       

Program 2: 

Output: 

GeeksForGeeks

str.trimRight() 
str.trimRight() method is used to remove the white spaces from the end of the given string. It does not affect the white spaces at the start of the string.

Syntax: 

str.trimRight()

Return value: 
This method returns a new string, without any of the trailing white spaces. 

Examples for the above method are provided below:

Example 1:  

var str = "GeeksforGeeks      ";
var st = str.trimRight();
print(st);

Output:  

GeeksForGeeks

In this example the trimRight() method removes all the trailing spaces from the string str.

Example 2:  

var str = "   GeeksforGeeks";
var st = str.trimRight();
print(st);

Output:  

     GeeksForGeeks

In this example the trimRight() method does not remove the leading spaces from str.

Codes for the above method are provided below:

Program 1:  

Output: 

GeeksForGeeks       

Program 2: 

Output: 

     GeeksForGeeks