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Explore a collection of JavaScript examples including factorial calculation, object embedding, method handling, constructor usage, and prototypes for practice and learning. Improve your JavaScript skills today!
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Simple Javascript Example sum = 0; for (i = 1; i < 10; i++) { sum += i*i; } CS 142 Lecture Notes: Javascript
Factorial in Javascript function fac(x) { if (x <= 1) { return 1; } return x*fac(x-1); } CS 142 Lecture Notes: Javascript
Embedding Javascript External Javascript File <body> ... <script type="text/javascript" src=“myCode.js" /> <script type="text/javascript"> //<![CDATA[ alert("Page is loading"); //]]> </script> <p onclick="alert('I told you not to click on me!');"> Please do not click on this text.</p> ... </body> Inline Code Event Handler CS 142 Lecture Notes: Javascript
Method Example Object o = new Object(); o.count = 0; o.increment = function(inc) { if (inc == undefined) { inc = 1; } this.count += inc; return this.count; } CS 142 Lecture Notes: Javascript
Constructor function Rectangle(width, height) { this.width = width; this.height = height; } r = new Rectangle(26, 14); CS 142 Lecture Notes: Javascript
Prototypes function Rectangle(width, height) { this.width = width; this.height = height; } Rectangle.prototype.area = function() { return this.width*this.height; } r = new Rectangle(26, 14); a = r.area(); CS 142 Lecture Notes: Javascript
