Re: Copy javascript maps

[Steve Schwarz <sa...@hotmail.com>]

>I have two javascript maps:
>
>var map1 = { x : y };
>var map2 = { a : b };
>
>I want to copy both maps into one single map. Does anybody have an idea
>how I can achieve this?

Object properties in JavaScript can be treated just like arrays:

<script type="text/javascript">
onload=function(){
var map1 = { x : 1 };
var map2 = { a : 2 };
var newMap = new Object();
copyProp(newMap, map1);
copyProp(newMap, map2);

function copyProp(dest,src){
for (var i in src) dest[i] = src[i];
};

function dumpProp(obj){
var str ="";
for (var i in obj)  str += obj[i]+" ";
return str;
};

alert(dumpProp(newMap));
}
</script>

Hope this helps
Steve

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