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javascript Programming Glossary: array.lengthHow do you cache an image in Javascript http://stackoverflow.com/questions/10240110/how-do-you-cache-an-image-in-javascript if preloadImages.list preloadImages.list for var i 0 i array.length i var img new Image img.src array i preloadImages.list.push..
Get the element with the highest occurrence in an array http://stackoverflow.com/questions/1053843/get-the-element-with-the-highest-occurrence-in-an-array solution. It should be O n . function mode array if array.length 0 return null var modeMap var maxEl array 0 maxCount 1 for var.. var modeMap var maxEl array 0 maxCount 1 for var i 0 i array.length i var el array i if modeMap el null modeMap el 1 else modeMap..
What is the JavaScript >>> operator and how do you use it? http://stackoverflow.com/questions/1822350/what-is-the-javascript-operator-and-how-do-you-use-it for this as hopefully people aren't going to be setting array.length to 0.5 1 1e21 or 'LEMONS' . But this is JavaScript authors we're..
How to randomize (shuffle) a javascript array? http://stackoverflow.com/questions/2450954/how-to-randomize-shuffle-a-javascript-array linked to this function shuffle array var currentIndex array.length temporaryValue randomIndex While there remain elements to shuffle.....
Converting byte array to string in javascript http://stackoverflow.com/questions/3195865/converting-byte-array-to-string-in-javascript this function bin2String array var result for var i 0 i array.length i result String.fromCharCode parseInt array i 2 return result..
Random number generator without dupes in Javascript? http://stackoverflow.com/questions/3796786/random-number-generator-without-dupes-in-javascript 12 var gen_nums function in_array array el for var i 0 j array.length i j i if array i el return true return false function get_rand.. get_rand array var rand array Math.floor Math.random array.length if in_array gen_nums rand gen_nums.push rand return rand return..
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 a little test @ jsperf.com and to my surprise using i array.length actually was faster in Chrome and in FF 4 it didn't matter...
How to quickly clear a Javascript Object? http://stackoverflow.com/questions/684575/how-to-quickly-clear-a-javascript-object I can reset it to an empty state with a single assignment array.length 0 This makes the Array appear empty and ready to reuse and as..
Comparing two arrays in Javascript http://stackoverflow.com/questions/7837456/comparing-two-arrays-in-javascript compare lengths can save a lot of time if this.length array.length return false for var i 0 l this.length i l i Check if we have..
Whats the smartest / cleanest way to iterate async over arrays (or objs)? http://stackoverflow.com/questions/8413857/whats-the-smartest-cleanest-way-to-iterate-async-over-arrays-or-objs index callback processItem array index function if index array.length callback return processArray array index callback function..
http://stackoverflow.com/questions/8495687/split-array-into-chunks purposes you require. var i j temparray chunk 10 for i 0 j array.length i j i chunk temparray array.slice i i chunk do whatever share..
http://stackoverflow.com/questions/8607455/array-value-count-javascript 2 b function count array value var counter 0 for var i 0 i array.length i if array i value counter return counter var result count myArr..
How to convert JSON to CSV format and store in a variable http://stackoverflow.com/questions/8847766/how-to-convert-json-to-csv-format-and-store-in-a-variable JSON.parse objArray objArray var str '' for var i 0 i array.length i var line '' for var index in array i line array i index.. JSON.parse objArray objArray var str '' for var i 0 i array.length i var line '' for var index in array i if line '' line '..
Dynamically arranging divs using jQuery http://stackoverflow.com/questions/929519/dynamically-arranging-divs-using-jquery this.each function prefix prefix if array for var i 0 i array.length i array i '#' prefix array i this .empty for var i 0 i array.length.. i array i '#' prefix array i this .empty for var i 0 i array.length i this .append array i jQuery Code from the demo jQuery function.. this.each function prefix prefix if array for var i 0 i array.length i array i '#' prefix array i this .empty for var i 0 i array.length..
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