TypeScript笔记三

Posted 2020-10-14 编程猴子

/**
 * Created by ufo9631 on 2017/5/17.
 */
//箭头表达式 消除javascrpt 带来的this问题
var sum = function (arg1, arg2) { return arg1 + arg2; }; //箭头表达式，声明匿名函数
var sum1 = function (arg1, arg2) {
    return arg1 + arg2; //多行的话得写大括号和return
};
var sum3 = function () { }; //无参
var sum4 = function (arr1) {
    console.log(arr1);
};
var myArr = [1, 2, 3, 4, 5];
console.log(myArr.filter(function (value) { return value % 2 == 0; }));
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