<script type="text/javascript"> var numbers = ["one", "two", "three", "four"]; numbers.unshift("zero"); document.write(" "+numbers.shift()); document.write(" "+numbers.shift()); document.write(" "+numbers.shift()); </script> This produces zero one two shift, unshift, push, and pop may be used on the same array. Queues are easily implemented using combinations.
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How to shift and unshift using JavaScript?
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Chris Anderson
17-Oct-2011<script type="text/javascript">
var numbers = ["one", "two", "three", "four"];
numbers.unshift("zero");
document.write(" "+numbers.shift());
document.write(" "+numbers.shift());
document.write(" "+numbers.shift());
</script>
This produces
zero one two
shift, unshift, push, and pop may be used on the same array. Queues are easily implemented using combinations.