A method for reducing the length of javascript-shifted divisor-group elements _javascript Tips

Copy Code code as follows:

Array removal Length method

var array=[];
Array[0]= "John";
Array[1]= "Dick";
array[2]= "Harry";
array[3]= "Zhao Liu";
Array[4]= "Baidu";

function Remove (array,index) {
if (index<= (array.length-1)) {
for (Var i=index;i<array.length;i++) {
ARRAY[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);
}