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javascript Programming Glossary: arr.lengthJavaScript - Are loops really faster in reverse…? http://stackoverflow.com/questions/1340589/javascript-are-loops-really-faster-in-reverse
Best way to find an item in a JavaScript array? [duplicate] http://stackoverflow.com/questions/143847/best-way-to-find-an-item-in-a-javascript-array the best way I know function include arr obj for var i 0 i arr.length i if arr i obj return true include 1 2 3 4 3 true include 1..
Creating range in JavaScript - strange syntax http://stackoverflow.com/questions/18947892/creating-range-in-javascript-strange-syntax 0 true arr 0 'a' Object.keys arr '0' '1' '2' arr.length 3 implies arr 3 undefined we expand the array by 1 item arr.length.. 3 implies arr 3 undefined we expand the array by 1 item arr.length 4 arr 3 undefined arr.hasOwnProperty 3 false Object.keys arr.. difference between the number of items in the array arr.length and the number of key value mappings the array has which can..
Generate 8 unique random numbers between 1 and 100 http://stackoverflow.com/questions/2380019/generate-8-unique-random-numbers-between-1-and-100 numbers share improve this question var arr while arr.length 8 var randomnumber Math.ceil Math.random 100 var found false.. Math.ceil Math.random 100 var found false for var i 0 i arr.length i if arr i randomnumber found true break if found arr arr.length..
http://stackoverflow.com/questions/351409/appending-to-array
Remove item from array by value http://stackoverflow.com/questions/3954438/remove-item-from-array-by-value removeA arr var what a arguments L a.length ax while L 1 arr.length what a L while ax arr.indexOf what 1 arr.splice ax 1 return..
Baking transforms into SVG Path Element commands http://stackoverflow.com/questions/5149301/baking-transforms-into-svg-path-element-commands have to be Absolute in the following var i 0 j m arr.length letter x 0 y 0 point newcoords pt svgDOM.createSVGPoint subpath_start..
Counting occurences of Javascript array elements http://stackoverflow.com/questions/5667888/counting-occurences-of-javascript-array-elements go function foo arr var a b prev arr.sort for var i 0 i arr.length i if arr i prev a.push arr i b.push 1 else b b.length 1 prev..
Is reading the `length` property of an array really that expensive an operation in JavaScript? http://stackoverflow.com/questions/5752906/is-reading-the-length-property-of-an-array-really-that-expensive-an-operation calculating the length of an array. Example for var i 0 i arr.length i vs for var i 0 arrLength arr.length i arrLength i However.. for var i 0 i arr.length i vs for var i 0 arrLength arr.length i arrLength i However I thought perhaps the length property..
Easiest way to find duplicate values in a JavaScript array http://stackoverflow.com/questions/840781/easiest-way-to-find-duplicate-values-in-a-javascript-array uses a crappy string compare. var results for var i 0 i arr.length 1 i if sorted_arr i 1 sorted_arr i results.push sorted_arr i..
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