JavaScript method to remove array elements and reduce length_javascript tips

Copy code The code is as follows:

//Array removal length method

var array =[];
array[0]="Zhang San";
array[1]="Li Si";
array[2]="Wang Wu";
array[3] ="Zhao Liu";
array[4]="Baidu";

function remove(array,index){
if(index<=(array.length-1)){
for(var i=index;iarray[i]=array[i 1];
}
}else{
throw new Error(' Array index out of bounds!for function is:remove');
}
array.length=array.length-1;
return array;
}


try{
array=remove(array,2);
array=remove(array,2);
alert(array.length);
alert(array);
}catch( e){
alert(e);
}