1. 程式人生 > 實用技巧 >js獲取陣列,進行迴圈處理,新增,刪除,查詢等操作

js獲取陣列,進行迴圈處理,新增,刪除,查詢等操作

//js迴圈 新增
that.workTypeActiveIds.forEach(function (value, key, iterable) { console.log(key, value, iterable); var work = that.workTypesItemAll.find(function (work) { return work.id === value }); that.WorkTypeActiveTtems.push(work); that.workTypes.push(work.text); });

js查詢索引和刪除

 // 查詢元素在陣列中的索引值
        Array.prototype.indexValue = function (arr) {
            for (var i = 0; i < this.length; i++) {
                if (this[i] == arr) {
                    return i;
                }
            }
        }
        Array.prototype.remove = function (val) {
            var index 
= this.indexOf(val); if (index > -1) { this.splice(index, 1); } };

根據值進行查詢

  var salary = that.salaryList.find(function (salary) {
                                return salary.id === result.JobInfo.SalaryTypeId;
                            });