JavaScript Mask carriage return submit Form

HTML uses input to prevent carriage return submission

By default, a single input box, regardless of the button's type= "Submit" or a type= "button" type, is submitted by carriage return.

1. When the type= "submit", no matter how many type= "text" input box, carriage return represents submission. (Submit)

2. When type= "button", and there are more than one input box, carriage return is not submitted. (Button)

3. Solve a single input box carriage return is to submit questions, refer to the 2nd: You can add a input= "text", hidden; The type is then a button.

JS prevents carriage return submission

The code is as follows	Copy Code
function Ifenter () { if (event.keycode==13) { return false; }else if (event.srcelement.type== "submit") { Form1.submit (); } } Document.onkeydown=ifenter;

or use jquery

The code is as follows	Copy Code
//No press RETURN is submitted       $ (document). Ready (function () {         $ ("input[@type = ' text ']"). each (             function () {                 $ ( This). KeyPress (function (e) {                          var key = window.event? E.keycode:e.which;                          if (key.tostring () = = "{                                       return false; } }); }); })

or written directly in HTML.

The code is as follows	Copy Code
<form name= "MyForm" action= "onkeydown=" if (event.keycode==13) {return false;} " > <input Type=text name=user> <input Type=text name=pass> <input Type=button Name=mybutton value=submit onclick=myform.submit () > </form>

This allows us to press ENTER will not be submitted, but click the Submit button can be submitted to understand