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@@ -0,0 +1,124 @@
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+<!DOCTYPE html>
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+<html lang="en">
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+
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+<head>
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+ <meta charset="UTF-8">
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+ <meta name="viewport" content="width=device-width, initial-scale=1.0">
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+ <meta http-equiv="X-UA-Compatible" content="ie=edge">
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+ <title>Document</title>
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+</head>
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+
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+<body>
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+ <script>
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+ //1、写出下列输出结果
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+ var x = 10;
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+ function test() {
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+ var x = 20
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+ console.log(this.x)
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+ }
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+ test()
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+
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+
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+ //2、写出下列输出结果
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+ var name = "window"
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+ var obj = {
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+ name: "obj",
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+ func1: function () {
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+ console.log(this.name);
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+ (function () {
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+ console.log(this.name)
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+ })()
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+ }
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+ }
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+ obj.func1()
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+
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+
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+ //3、写出下列结果
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+ var name = "the window";
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+
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+ var object = {
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+ name: "My Object",
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+ getName: function () {
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+ return this.name;
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+ }
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+ }
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+
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+ console.log(object.getName());
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+ console.log((object.getName)());
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+ console.log((object.getName = object.getName)());
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+
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+ //4、下列代码中当div的点击事件触发时输出的结果是？
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+ document.getElementById("div").onclick = function () {
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+ console.log(this)
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+ };
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+
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+
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+ //5、请写出下列代码运行结果
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+ var name = "window"
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+ var obj = {
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+ name: "obj"
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+ }
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+ setInterval(function () {
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+ console.log(this.name)
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+ }, 300)
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+ setInterval(function () {
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+ console.log(this.name)
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+ }.call(obj), 300)
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+
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+ //6、请补全下列代码
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+ function foo() {
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+ //补全此处代码实现每隔一秒输出 hello world
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+ }
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+ window.setInterval(foo(), 1000);
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+
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+
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+ // 7、补全下列代码实现 1+2+3+4
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+ function add(c, d) {
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+ return this.a + this.b + c + d;
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+ }
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+
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+ /*
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+ 在此补全代码 以两种以上方法实现
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+ */
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+
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+
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+
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+ //8、写出下列输出结果
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+ function f() {
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+ return this.a;
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+ }
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+
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+ var g = f.bind({ a: "azerty" });
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+ console.log(g());
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+
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+ var h = g.bind({ a: 'yoo' });
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+ console.log(h());
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+
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+ var o = { a: 'loveCoding', f: f, g: g, h: h };
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+ console.log(o.f(), o.g(), o.h());
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+
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+
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+ //9、补全下列代码
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+ var o = { prop: 'loveCoding' };
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+
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+ function independent() {
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+ return this.prop;
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+ }
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+ //在此补全代码
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+ console.log(o.f()); // loveCoding
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+
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+ //10、用call 或 apply 实现bind 方法
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+ function foo() {
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+ console.log(this.a)
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+ }
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+ var obj = {
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+ a: "hello"
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+ }
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+
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+
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+ var foo2 = foo.bind2(obj);
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+ foo2()
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+ </script>
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+</body>
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+
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+</html>
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