myArray = ; // bad
That isn't the optimal way to get a fresh array; to truncate an array, and thus empty it, you should set the length property to zero:
myArray.length = 0; // good!
Setting the length equal to zero empties the existing array, not creating another array! This helps you to avoid pointer issues with arrays as well. With the new array method above:
// ... as provided by Dag in the comments
A = [1,2,3,4,5]
B = A
A = 
console.log(B) // [1,2,3,4,5]
length truncation would make both
B the original array but empty!
Back in late 2012 it was not easy to find open source projects using
CSS is a complete conundrum; we all appreciate CSS because of its simplicity but always yearn for the language to do just a bit more. CSS has evolved to accommodate placeholders, animations, and even click events. One problem we always thought...
Providing your users the ability to copy text to the clipboard can make your website much more convenient and valuable. Unfortunately Flash 10 broke most of the methods for doing so. Luckily a great library named ZeroClipboard exists. ZeroClipboard uses a pinch...