The example of this article describes the JS implementation method of obtaining the value of the same key in a multi-dimensional array. Share it with everyone for your reference, the details are as follows:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE> Demo </TITLE>
<META NAME="Keywords" CONTENT="">
<META NAME="Description" CONTENT="">
<script>
function jstest(){
var arr=[{'key1':'value1','key2':'value2','key3':'value3'},{'key1':'value4','key2':'value5','key3':'value6'},{'key1':'value7','key2':'value8','key3':'value9'}] ;
var obj={};
var narr=new Array();
for(var i=0;i<arr.length;i++){
for(var j in arr[i]){
if(obj[j]!=undefined)
obj[j]+=arr[i][j];
else
obj[j]=arr[i][j];
}
}
for(var i in obj){
narr.push(eval("({'"+i+"':'"+obj[i]+"'})"));
}
//alert(narr[0].key1);
console.log(narr[1].key2);
}
jstest();
</script>
</HEAD>
<BODY>
</BODY>
</HTML>
The operation effect diagram is as follows:
Hope What this article describes will be helpful to everyone in JavaScript programming.
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