Alex’s Rocket

Found interesting difference in array declaration between FF and IE. For example, if leave comma (,) after all elements in array there will be different size of array as a result: var arr = [1,2,3,]; document.write(arr.length); As a result in Firefox and Safari it will write “3″ but in IE it will be “4″.

Sometimes there is variable number of similar elements on a form. For example, phone numbers. To iterate all filled values on the server it will be nice to use arrays. And form element naming allow it: <form method="post"> <input type="text" name="phone[0]" /> <input type="text" name="phone[1]" /> … </form> Using PHP it’s easy to iterate through [...]