If keyCode is not caught, catch which:

$('#formid').on('keyup keypress', function(e) {
  var keyCode = e.keyCode || e.which;
  if (keyCode === 13) { 
    e.preventDefault();
    return false;
  }
});

EDIT: missed it, it's better to use keyup instead of keypress

EDIT 2: As in some newer versions of Firefox the form submission is not prevented, it's safer to add the keypress event to the form as well. Also it doesn't work (anymore?) by just binding the event to the form "name" but only to the form id. Therefore I made this more obvious by changing the code example appropriately.

EDIT 3: Changed bind() to on()

全文取自 https://stackoverflow.com/questions/11235622/jquery-disable-form-submit-on-enter 

 


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