plugin插件↓↓
;(function (underfined) {
"use strict"
var _global;
//插件函数
var plugin = {
add: function (n1, n2) {
return n1 + n2;
},
sub: function (n1, n2) {
return n1 - n2;
},
mul: function (n1, n2) {
return n1 * n2;
}
}
//最后将插件函数暴露给全局
_global = (function () {
return this || (0, eval)('this');
}());
if (typeof module !== 'undefined' && module.exports) {
module.exports = plugin;
} else if (typeof define === 'function' && define.amd) {
define(function () {
return plugin;
});
} else {
!('plugin' in _global) && (_global.plugin = plugin);
}
}());
html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<script src="plugin.js"></script>
</head>
<body>
<script>
//引入插件，尽情使用plugin对象吧。。。。。。
with(plugin){
document.write(add(2,1));// 3
document.write(mul(7,7));//49
}
</script>
</body>
</html>