Add methods to a class : Method « Object Oriented « JavaScript DHTML

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JavaScript DHTML » Object Oriented » Method 




Add methods to a class
  

<HTML>
<HEAD>
<TITLE></TITLE>
<SCRIPT>
function MyClass (name, text1, text2) {
   this.name = name;
   this.text1 = text1;
   this.text2 = text2;
}
MyClass.prototype.toString = function () {
   return this.name;
}

function same () {
   alert(this.toString() +" is same!");
}

function check() {
   if (this.text1 == this.text2) {
       this.onSame();
   }
}

MyClass.prototype.checkSame = check;
MyClass.prototype.onSame = same;

function createMyClass (name, text1, text2) {
   var x = new MyClass (name, text1, text2);
   x.checkSame();
}

</SCRIPT>
</HEAD>
<BODY>
<FORM>
Name:<input type=text name="txtName">
Text 1:<input type=text name="txtFirst">
Text 2:<input type=text name="txtSecond">
<input type=button value="Do It!" onClick="createMyClass (txtName.value, txtFirst.value, txtSecond.value);">
</FORM>
</BODY>
</HTML>

   
    
  














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1.Add user method to user defined class
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