The browser disables the Js solution and the js solution.

The browser disables the Js solution and the js solution.

I. How to disable js in a browser

2. the browser disables the js solution to prevent its submission.

UseSubmitBehavior = "false"

You can use UseSubmitBehavior = "false" to disable js.If Javascript is disabled, the page cannot be submitted.

<Input name = "" id = "btn" type = "submit" UseSubmitBehavior = "false" onclick = "javascript: checkRandCode ();" value = "submit"/>

Attackers can bypass js and use tools such as Swiss Army knife and WebScarab.

Manually modify any submitted data during submission. This is the real way to bypass js verification.