Removing items from array (v2)

Revision 2 of this benchmark created on

Setup

var a = [], i = 0;
    for (; i < 1000; i++)
        a[i] = Math.floor(Math.random() * 10);

Test runner

Ready to run.

Testing in
TestOps/sec
Array.splice
var b = a.slice();
for (var i = b.length; i--;)
    if (b === 5) b.splice(i, 1);
ready
Parsing array
var b = a.slice();
for (var i = 0, j = 0, l = b.length; i < l; i++)
    if (b !== 5) b[j++] = b[i];
b.length = j;
ready
Delete from array
for (var i = b.length; i--;) 
    if (b === 5) delete b[i]
ready

Revisions

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