Button Click event fires when pressing Enter key i

2019-01-30 12:32发布

站内问答 / jQuery
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This logic is firing when pressing "Enter" in the "Amount" input, and I don't believe it should (it doesn't in Chrome). How can I prevent this, and if not prevent it in IE, handle it so that the logic in the click event does not fire.

<html>
 <body>
   <div id="page">
     <div id="financed_amount">
      <h1>Financed Amount:</h1>
      <input type="text" id="amount" value="" />
     </div>
     <h1>Finance Options</h1>
     <div>
      <a id="shareLink" rel="leanModal" name="email" href="#email"></a>
      <button id="btnShare" class="share">Share this report</button>
     </div>
    </div>
   </body>
</html>

Script

$("#btnShare").click(function (e) {
    // This logic is firing when pressing "Enter" in the "Amount" input
});
  • Jquery: 1.7.2
  • IE 9
  • (Works in Chrome)

5条回答
唯我独甜
2楼-- · 2019-01-30 13:18

A jQuery based solution that does this for every button is:

 $('button').prop('type', 'button'); // To prevent IE from treating every button as a submit and firing a click() event

However the click event will still bubble up to parent elements for some reason...

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狗以群分
3楼-- · 2019-01-30 13:27

I was having this issue with ASP.NET WebForms:

<asp:Button />

This can NOT be solved by just adding type="button" because ASP.NET replaces it with type="submit" (you can see this behavior in the browser if you inspect the element.)

The correct way to do this in asp.net is to add 

<asp:Button UseSubmitBehavior="false" />

to the button. ASP will automatically add the type="button" attribute.

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爱情/是我丢掉的垃圾
4楼-- · 2019-01-30 13:32

I had the same problem and solved it by adding type="button" attribute to the <button> element, by which IE thinks the button as a simple button instead of a submit button (which is default behavior of a <button> element).

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一夜七次
5楼-- · 2019-01-30 13:37

IE thinks any button element is a submit button (whether you have a form or not). It also handles the press of the Enter key in a form element as an implicit form submission. So, since it thinks you are trying to submit your form, it figures it'll help you out and fire the click event on (what it thinks is) the submit button.

You can attach a keyup event to either the input or the button and check for the Enter key (e.which === 13) and return false;

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别忘想泡老子
6楼-- · 2019-01-30 13:39

I ran into this problem today. IE assumes that if you press the enter key in any of the text fields, you want to submit the form -- even if the fields are not part of a form and even if the button is not of type "submit".

You must override IE's default behavior with preventDefault(). In your jQuery selector, put in the div that contains the text boxes you want to ignore the enter key -- in your case, the "page" div. Instead of selecting the whole div, you could also specify the text boxes you want to ignore specifically.

$('#page').keypress(function(e) {
    if(e.which == 13) { // Checks for the enter key
        e.preventDefault(); // Stops IE from triggering the button to be clicked
    }
});
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