你可能感興趣的試題

var target = {};
var user = Object.assign(target, {name:'lili',age:10,address:'山東'}, {age:18,name:'zs'});
console.log(target)以下打印的結(jié)果正確的是（）

下列程序的輸出是：（）。
function Ball() {
}
Ball.prototype = {
colors:['green','yellow']
}
var ball1 = new Ball()
var ball2 = new Ball()
ball1.colors.push('blue')
console.log(ball2.colors)