String.prototype.trim() Method in String Class of Javascript Syntax with Examples
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Usage
trim() used to remove whitespaces from the sting.
if more than one whitespace given between the strings this function allows only one whitespace and remove other whitespaces.
Syntax
String.trim();
Example
var userName = "ab c d e ";
//Removes the whitespaces if it more than one.keeps only one whitespace between elements
var char1 = userName.trim();
document.write("The element is "+char1+" .");