wanglicc的博客

es5let Animal = function(type){ this.type = type}Animal.prototype.eat=function(){ console.log('like eat food')}var dog = new Animal("dog");var mok = new Animal("mok");console.log(dog);...

filter let arr = [1,2,3,4,5];let find = arr.filter(function(item){ return item%2 === 0})console.log(find)Array.findlet find =arr.find(function(item){ return item%2 === 0 //如果没有，返回unde...

1 Array(数量)let array = Array(5);console.log(array)Array.of(value)var array = Array.of(1,2,3,5,5); console.log(array)Array(数量).fill(value)var array = Array(5).fill(7);console.log(array)let ...