Basic implementation of the Newton’s Method for narrowing in on a square root. NOTE: in Firefox the yield keyword doesn’t exist unless the script tag loading the function has a type of “text/javascript;version=1.7”. version must be 1.7 or higher. [js] function newton(value, guess) { value = Math.abs(value); guess = Math.abs(guess); while (1) { guess =
About a year ago I needed a quick and easy AJAX library to just grab XML or JSON. At that time I was working heavily in Objective-C on the iPhone which uses a lot of delegation of functionality. I wanted to build something similar for my web application. In most browsers the XMLHttpRequest object is
[js] function fibonacci() { var i1 = 0, i2 = 1; while (true) { yield i1; var t = i1; i1 = i2; i2 += t; } } var g = fibonacci(); for (var i = 0; i < 10; i++) { document.write(g.next() + "\n"); } [/js] The function fibonacci contains the keyword “yield” making
While creating 10 <a> elements, each link pointing at a different id number. In that case, this example makes sense. [js autolinks=”false”] for (var i = 0; i < 10; i++) { var a = document.getElementById(‘a’); a.onclick = function(e) { location.href = ‘http://www.example.com/?id=’ + i; }; document.body.appendChild(a); } [/js] However, the creation of the anonymous