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javascript Programming Glossary: touint32use of javascript array new Array(n) declaration http://stackoverflow.com/questions/1246408/use-of-javascript-array-new-arrayn-declaration 15.4.2.2 ECMA 262 If the argument len is a Number and ToUint32 len is equal to len then the length property of the newly constructed.. length property of the newly constructed object is set to ToUint32 len . If the argument len is a Number and ToUint32 len is not.. set to ToUint32 len . If the argument len is a Number and ToUint32 len is not equal to len a RangeError exception is thrown. An..
Performance - Array.forEach vs implemented version http://stackoverflow.com/questions/15930271/performance-array-foreach-vs-implemented-version method of O with the argument length . 3. Let len be ToUint32 lenValue . var len O.length 0 Hack to convert O.length to a..
What good does zero-fill bit-shifting by 0 do? (a >>> 0) http://stackoverflow.com/questions/3081987/what-good-does-zero-fill-bit-shifting-by-0-do-a-0 way to achieve it internally array methods use the ToUint32 operation but that method is not accessible and exist on the.. method of O with the argument length . 3. Let len be ToUint32 lenValue . .... As you can see they just want to reproduce the.. can see they just want to reproduce the behavior of the ToUint32 method to comply with the ES5 spec on an ES3 implementation..
Maximum size of an Array in Javascript http://stackoverflow.com/questions/6154989/maximum-size-of-an-array-in-javascript is bound by an unsigned 32 bit integer due to the ToUint32 abstract operation so the longest possible array could have..
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