JS 删除数组指定元素

delete_array_element.js

//查找指定元素的索引
function arrIndex(val,arr){
    for (var i = 0; i < arr.length; i++) { 
        if (arr[i] == val) return i; 
    } 
    return -1;
}
//删除索引元素
function removeCurEle(val,arr){
    var index = arrIndex(val,arr); 
    if (index > -1) { 
        arr.splice(index, 1); 
    }
}

//usage
//var selectDeleteItem = [1,2,3,4,5,6];
//removeCurEle(1,selectDeleteItem);