删除数组某个元素 / json删除某个属性

删除数组某个元素

arr = [];

arr.push(id);

arr[id] = id;

function DeleteArrElem(arr,elem)
{
    var pos=arr.indexOf(elem);
    if(pos!=-1)
    {
        arr.splice(pos,1);
    }
}

json删除某个属性

model_show = {};

model_show[id] = id;

delete model_show[id];