JavaScriptPrototype object_javascript skills

Starting with JavaScript1.1, it has a built-in object named Prototype. It can be used to expand JavaScript and write custom attributes and methods on objects. Object-Oriented JavaScript: Using the 'prototype' Property
Since JavaScript 1.1, it has a built-in object called Prototype. It can be used to expand JavaScript and write custom attributes and methods on objects. For example. The following is a custom method named myTrim and shows its usage.


Script
String. prototype. myTrim = function (){
Return (this. replace (new RegExp ("^ ([\ s] +) | ([\ s] +) $", "gm "),""));
}
Document. getElementById ("textbox"). value = "This A Book". myTrim ();
Script

Reference link:
1. The prototype object of JavaScript
2. Object-Oriented JavaScript: Using the 'prototype' Property