login:52 Uncaught TypeError: Cannot read property 'trim' of undefined
at dologin (login:52)
at HTMLButtonElement.onclick (login:38)
How to solve this
$ = layui.jquery;
jquery is written wrong
I always write it wrong and I also write it wrong
Is this JS? There is no built-in trim method in the JS script, so an error is prompted. You need to write this class or function by hand.
Or you can refer to this article
js trim function to delete spaces at both ends
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
$ = layui.jquery;
jquery is written wrong
I always write it wrong and I also write it wrong
Is this JS? There is no built-in trim method in the JS script, so an error is prompted. You need to write this class or function by hand.
Or you can refer to this article
js trim function to delete spaces at both ends