JavaScript Programming JavaScript > Code Examples A String Object Prototype A String Object Prototype <HTML> <HEAD> <TITLE>String Object Prototype - Happy Codings :-) JavaScript Code Examples</TITLE> <SCRIPT LANGUAGE="JavaScript1.1"> function makeItHot() { return "<FONT COLOR='red'>" + this.toString() + "</FONT>" } String.prototype.hot = makeItHot </SCRIPT> <BODY> <SCRIPT LANGUAGE="JavaScript1.1"> document.write("<H1>This site is on " + "FIRE".hot() + "!!</H1>") </SCRIPT> </BODY> </HTML>
