<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Map</title>
</head>
<body>
<script>
// var data=new Map()
// data.set("a",1),
// data.set("geyao","geyao"),
// console.log(data,"map is")
// for(let [key,value] of data){
// console.log(key,value)
// }
const geyao=[1,2,3]
function * generator(arr){
for(let i=0;i<arr.length;i++){
yield arr[i]
}
}
const iterator=generator(geyao)
console.log(iterator.next())
</script>
</body>
</html>运行结果
