可以通过闭包返回函数的形式,示例代码如下:
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<script>
function foo(j) {
var i = 0;
return function() {
j++;
console.log("j的值"+j);
// console.log(i++);
return i++;
}
}
var t = foo(1);
var g = foo(2);
console.log(g());
console.log(t());
console.log(g());
console.log(t());
</script>
</head>
<body>
</body>
</html>
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