1 项目结构
2 编写a.js、test.html
//a.js function abc(str){ alert(str); } //test.html <html> <head> <script type="text/javascript" src="a.js"></script> <script type="text/javascript"> window.onload = function(){ var fun = abc; //引用abc函数 fun(123); }; </script> </head> <body> </body> </html>
3 测试结果