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JavaScript prototype Objects _javascript tips

Source: Internet
Author: User
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object-oriented javascript:using the ' Prototype ' property
Starting with JavaScript 1.1, it has a built-in object called prototype. With it, you can extend JavaScript and write custom properties and methods on objects. For instance. The following is a custom method called Mytrim and shows its usage.
<body>
<input type= "text" id= "textbox" Name= "TextBox" size= "Ten" >
<script>
String.prototype.myTrim = function () {
Return (This.replace new RegExp ("^" [\\s]+) | ( [\\s]+] $ "," GM ")," "));
}
document.getElementById ("TextBox"). Value = "This is book". Mytrim ();
</script>
</body>
Reference Links:
1. The prototype object of JavaScript
2. object-oriented javascript:using the ' Prototype ' property

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