DHTML free example : How to define a function that extends the capabilities of String objects? tutorial sample code

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How to define a function that extends the capabilities of String objects?

(DHTML free example written by Anton Zamov.)

How to define a function that extends the capabilities of String objects?

<HTML>
<HEAD>
</HEAD>
<BODY>
<SCRIPT>
// Define a function that extends the capabilities of String objects
function reverse()
{
myArray = new Array(this.length);

for(myEnum=0; myEnum<this.length; myEnum++)
{
myArray[myEnum] = this.substr(myEnum,1)
}

myArray.reverse();

return myArray.join("");
}
// Register the new function
String.prototype.reverse = reverse;
// Create a string object and test the String.reverse() method
myString = new String("ABCDEFGH");
document.write(myString.reverse())
document.write("<BR>")
</SCRIPT>
</BODY>
</HTML>

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