Array filter and callback functions : Function « Language Basics « JavaScript DHTML

Array filter and callback functions

<title>Array filter and callback functions</title>
<script type="text/javascript">
function checkColor(element,index,array) {
  return (element >= 0 && element < 256);
var colors = new Array(  );
colors[0] = [0,262,255];
colors[4] = [0,0,255];
colors[5] = [-5,567,255];

var testedColors = new Array(  );
for (var i in colors) {
   testedColors[i] = colors[i].filter(checkColor);



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