<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Document</title>
</head>
<body>
<script>
var ll = {
name: '李雷',
age: 18,
intr(area, country) {
console.log(
this.name + '今年' + this.age + '岁' + '来自' + area + country
)
},
}
var mm = {
name: '梅梅',
age: 12,
}
ll.intr()
ll.intr('非洲')
ll.intr.call(mm)
ll.intr.call(mm, '美国', '美洲')
ll.intr.apply(mm, '英国')
ll.intr.apply(mm, ['意大利', '欧洲'])
console.log(ll.intr.bind(mm))
ll.intr.bind(mm)('韩国', '亚洲')
</script>
</body>
</html>