Copy the code code as follows:
function doSz{
var kzly==["a","a","c","a","b"];
for(var i=0;i<kzly.length;i++){
var targetNode = kzly[i];
for (var j=0; j<i; j++) {
if(targetNode == kzly[j]){
kzly.splice(i,1);
kzlymc.splice(i,1);
//alert(arr);
break;
}
}
}
}