JavaScript / November 16, 2010

JS Generator – Newton’s Method

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 =

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JavaScript / October 2, 2010

JS Generator – Fibonacci Example

[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

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