blocks|key|2917118|text|使用防止默认设置|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2917119|Dojo工具包|offset|length|style|BOLD|2917120|dojo.connect(form,+"onsubmit",+function(evt)+{
++++evt.preventDefault();
++++window.history.back();
});|code-block|syntax|javascript|2917121|jQuery|2917122|$('#form').submit(function+(evt)+{
++++evt.preventDefault();
++++window.history.back();
});|2917123|Vanilla+JavaScript|2917124|if+(element.addEventListener)+{
++++element.addEventListener("submit",+function(evt)+{
++++++++evt.preventDefault();
++++++++window.history.back();
++++},+true);
}
else+{
++++element.attachEvent('onsubmit',+function(evt){
++++++++evt.preventDefault();
++++++++window.history.back();
++++});
}|2917125|entityMap^0|0|0|7|0|0|0|6|0|0|0|I|0|0^^$0|@$1|2|3|4|5|6|7|W|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|X|8|@$D|Y|E|Z|F|G]]|9|@]|A|$]]|$1|H|3|I|5|J|7|10|8|@]|9|@]|A|$K|L]]|$1|M|3|N|5|6|7|11|8|@$D|12|E|13|F|G]]|9|@]|A|$]]|$1|O|3|P|5|J|7|14|8|@]|9|@]|A|$K|L]]|$1|Q|3|R|5|6|7|15|8|@$D|16|E|17|F|G]]|9|@]|A|$]]|$1|S|3|T|5|J|7|18|8|@]|9|@]|A|$K|L]]|$1|U|3|-4|5|6|7|19|8|@]|9|@]|A|$]]]|V|$]]

<p>Use prevent default</p>

<p><strong>Dojo Toolkit</strong></p>

<pre><code>dojo.connect(form, "onsubmit", function(evt) {
    evt.preventDefault();
    window.history.back();
});
</code></pre>

<p><strong>jQuery</strong></p>

<pre><code>$('#form').submit(function (evt) {
    evt.preventDefault();
    window.history.back();
});
</code></pre>

<p><strong>Vanilla JavaScript</strong></p>

<pre><code>if (element.addEventListener) {
    element.addEventListener("submit", function(evt) {
        evt.preventDefault();
        window.history.back();
    }, true);
}
else {
    element.attachEvent('onsubmit', function(evt){
        evt.preventDefault();
        window.history.back();
    });
}
</code></pre>


blocks|key|244002|text|只需使用简单的button而不是提交按钮。并调用JavaScript函数来处理表单提交：|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|244003|<input+type="button"+name="submit"+value="submit"+onclick="submit_form();"/>|code-block|syntax|javascript|244004|script标记中的函数：|244005|function+submit_form()+{
++++if+(conditions)+{
++++++++document.forms['myform'].submit();
++++}
++++else+{
++++++++returnToPreviousPage();
++++}
}|244006|您也可以尝试使用window.history.forward(-1);|244007|entityMap^0|7|6|0|0|0|6|0|0|8|R|0^^$0|@$1|2|3|4|5|6|7|S|8|@$9|T|A|U|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|V|8|@]|D|@]|E|$I|J]]|$1|K|3|L|5|6|7|W|8|@$9|X|A|Y|B|C]]|D|@]|E|$]]|$1|M|3|N|5|H|7|Z|8|@]|D|@]|E|$I|J]]|$1|O|3|P|5|6|7|10|8|@$9|11|A|12|B|C]]|D|@]|E|$]]|$1|Q|3|-4|5|6|7|13|8|@]|D|@]|E|$]]]|R|$]]

<p>Just use a simple <code>button</code> instead of a submit button. And call a JavaScript function to handle form submit:</p>

<pre><code>&lt;input type="button" name="submit" value="submit" onclick="submit_form();"/&gt;
</code></pre>

<p>Function within a <code>script</code> tag:</p>

<pre><code>function submit_form() {
    if (conditions) {
        document.forms['myform'].submit();
    }
    else {
        returnToPreviousPage();
    }
}
</code></pre>

<p>You can also try <code>window.history.forward(-1);</code></p>


blocks|key|246578|text|您可以使用函数的返回值来阻止表单提交|type|unstyled|depth|inlineStyleRanges|entityRanges|data|246579|<form+name="myForm"+onsubmit="return+validateMyForm();">+|code-block|syntax|javascript|246580|和函数类似于|246581|<script+type="text/javascript">
function+validateMyForm()
{
++if(check+if+your+conditions+are+not+satisfying)
++{+
++++alert("validation+failed+false");
++++returnToPreviousPage();
++++return+false;
++}

++alert("validations+passed");
++return+true;
}
</script>|246582|在Chrome27.0.1453.116m的情况下，如果上面的代码不工作，请将set+the+event+handler's+parameter's+returnValue字段设置为false以使其工作。|offset|length|246583|感谢山姆分享信息。|246584|编辑：|246585|感谢Vikram在validateMyForm()返回false时的解决方法：|246586|+<form+onsubmit="event.preventDefault();+validateMyForm();">|246587|其中，validateMyForm()是一个在验证失败时返回false的函数。关键点是使用name+event。例如，我们不能使用e.preventDefault()|246588|entityMap|0|LINK|mutability|MUTABLE|url|http://www.htmlgoodies.com/beyond/javascript/advanced-javascript-event-handling.html^0|0|0|0|0|13|1B|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|16|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|17|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|18|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|19|8|@]|9|@]|A|$E|F]]|$1|K|3|L|5|6|7|1A|8|@]|9|@$M|1B|N|1C|1|1D]]|A|$]]|$1|O|3|P|5|6|7|1E|8|@]|9|@]|A|$]]|$1|Q|3|R|5|6|7|1F|8|@]|9|@]|A|$]]|$1|S|3|T|5|6|7|1G|8|@]|9|@]|A|$]]|$1|U|3|V|5|D|7|1H|8|@]|9|@]|A|$E|F]]|$1|W|3|X|5|6|7|1I|8|@]|9|@]|A|$]]|$1|Y|3|-4|5|6|7|1J|8|@]|9|@]|A|$]]]|Z|$10|$5|11|12|13|A|$14|15]]]]

<p>You can use the return value of the function to prevent the form submission</p>

<pre><code>&lt;form name="myForm" onsubmit="return validateMyForm();"&gt; 
</code></pre>

<p>and function like</p>

<pre><code>&lt;script type="text/javascript"&gt;
function validateMyForm()
{
  if(check if your conditions are not satisfying)
  { 
    alert("validation failed false");
    returnToPreviousPage();
    return false;
  }

  alert("validations passed");
  return true;
}
&lt;/script&gt;
</code></pre>

<p>In case of Chrome 27.0.1453.116 m if above code does not work, please <a href="http://www.htmlgoodies.com/beyond/javascript/advanced-javascript-event-handling.html">set the event handler's parameter's returnValue</a> field to false to get it to work.</p>

<p>Thanks Sam for sharing information.</p>

<p>EDIT : </p>

<p>Thanks to Vikram for his workaround for if validateMyForm() returns false:</p>

<pre><code> &lt;form onsubmit="event.preventDefault(); validateMyForm();"&gt;
</code></pre>

<p>where validateMyForm() is a function that returns false if validation fails. The key point is to use the name event. We cannot use for e.g. e.preventDefault()</p>


blocks|key|3131418|text|以下代码目前有效(在Chrome和Firefox中测试过)：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3131419|<form+onsubmit="event.preventDefault();+validateMyForm();">|code-block|syntax|javascript|3131420|其中，validateMyForm()是一个在验证失败时返回false的函数。关键的一点是使用名称event。例如，我们不能用于e.preventDefault()。|offset|length|style|CODE|3131421|entityMap^0|0|0|U|5|1D|5|1S|I|0^^$0|@$1|2|3|4|5|6|7|O|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|P|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|Q|8|@$I|R|J|S|K|L]|$I|T|J|U|K|L]|$I|V|J|W|K|L]]|9|@]|A|$]]|$1|M|3|-4|5|6|7|X|8|@]|9|@]|A|$]]]|N|$]]

<p>The following works as of now (tested in Chrome and Firefox):</p>

<pre><code>&lt;form onsubmit="event.preventDefault(); validateMyForm();"&gt;
</code></pre>

<p>Where validateMyForm() is a function that returns <code>false</code> if validation fails. The key point is to use the name <code>event</code>. We cannot use for e.g. <code>e.preventDefault()</code>.</p>


blocks|key|2917236|text|假设您有一个类似于下面这样的表单|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2917237|<form+action="membersDeleteAllData.html"+method="post">
++++<button+type="submit"+id="btnLoad"+onclick="confirmAction(event);">ERASE+ALL+DATA</button>
</form>|code-block|syntax|javascript|2917238|下面是confirmAction函数的javascript|2917239|<script+type="text/javascript">
++++function+confirmAction(e)
++++{
++++++++var+confirmation+=+confirm("Are+you+sure+about+this+?")+;

++++++++if+(!confirmation)
++++++++{
++++++++++++e.preventDefault()+;
++++++++++++returnToPreviousPage();
++++++++}

++++++++return+confirmation+;
++++}
</script>|2917240|它可以在Firefox、Chrome、Internet+Explorer(edge)、Safari等浏览器上运行。|2917241|如果不是这样，请让我知道|2917242|entityMap^0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|Q|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|R|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|S|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|T|8|@]|9|@]|A|$E|F]]|$1|K|3|L|5|6|7|U|8|@]|9|@]|A|$]]|$1|M|3|N|5|6|7|V|8|@]|9|@]|A|$]]|$1|O|3|-4|5|6|7|W|8|@]|9|@]|A|$]]]|P|$]]

<p>Lets say you have a form similar to this</p>

<pre><code>&lt;form action="membersDeleteAllData.html" method="post"&gt;
    &lt;button type="submit" id="btnLoad" onclick="confirmAction(event);"&gt;ERASE ALL DATA&lt;/button&gt;
&lt;/form&gt;
</code></pre>

<p>Here is the javascript for the confirmAction function</p>

<pre><code>&lt;script type="text/javascript"&gt;
    function confirmAction(e)
    {
        var confirmation = confirm("Are you sure about this ?") ;

        if (!confirmation)
        {
            e.preventDefault() ;
            returnToPreviousPage();
        }

        return confirmation ;
    }
&lt;/script&gt;
</code></pre>

<p>This one works on Firefox, Chrome, Internet Explorer(edge), Safari, etc.</p>

<p>If that is not the case let me know</p>


blocks|key|3131506|text|你的所有答案都提供了一些有用的东西。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3131507|最后，这对我是有效的：(如果你没有选择至少一个复选框项目，它会警告并停留在相同的页面上)|3131508|<!DOCTYPE+html>
<html>
++++<head>
++++</head>
++++<body>
++++++++<form+name="helloForm"+action="HelloWorld"+method="GET"++onsubmit="valthisform();">
++++++++++++<br>
++++++++++++<br><b>+MY+LIKES+</b>
++++++++++++<br>
++++++++++++First+Name:+<input+type="text"+name="first_name"+required>
++++++++++++<br+/>
++++++++++++Last+Name:+<input+type="text"+name="last_name"++required+/>
++++++++++++<br>
++++++++++++<input+type="radio"+name="modifyValues"+value="uppercase"+required="required">Convert+to+uppercase+<br>
++++++++++++<input+type="radio"+name="modifyValues"+value="lowercase"+required="required">Convert+to+lowercase+<br>
++++++++++++<input+type="radio"+name="modifyValues"+value="asis"++++++required="required"+checked="checked">Do+not+convert+<br>
++++++++++++<br>
++++++++++++<input+type="checkbox"+name="c1"+value="maths"+++++/>+Maths
++++++++++++<input+type="checkbox"+name="c1"+value="physics"+++/>+Physics
++++++++++++<input+type="checkbox"+name="c1"+value="chemistry"+/>+Chemistry
++++++++++++<br>

++++++++++++<button+onclick="submit">Submit</button>

++++++++++++
++++++++++++<script>
++++++++++++++++
++++++++++++</script>
++++++++</form>
++++</body>
</html>|code-block|syntax|javascript|3131509|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|L|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|M|8|@]|9|@]|A|$G|H]]|$1|I|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|J|$]]

<p>All your answers gave something to work with.</p>

<p>FINALLY, this worked for me: (if you dont choose at least one checkbox item, it warns and stays in the same page)</p>

<pre><code>&lt;!DOCTYPE html&gt;
&lt;html&gt;
    &lt;head&gt;
    &lt;/head&gt;
    &lt;body&gt;
        &lt;form name="helloForm" action="HelloWorld" method="GET"  onsubmit="valthisform();"&gt;
            &lt;br&gt;
            &lt;br&gt;&lt;b&gt; MY LIKES &lt;/b&gt;
            &lt;br&gt;
            First Name: &lt;input type="text" name="first_name" required&gt;
            &lt;br /&gt;
            Last Name: &lt;input type="text" name="last_name"  required /&gt;
            &lt;br&gt;
            &lt;input type="radio" name="modifyValues" value="uppercase" required="required"&gt;Convert to uppercase &lt;br&gt;
            &lt;input type="radio" name="modifyValues" value="lowercase" required="required"&gt;Convert to lowercase &lt;br&gt;
            &lt;input type="radio" name="modifyValues" value="asis"      required="required" checked="checked"&gt;Do not convert &lt;br&gt;
            &lt;br&gt;
            &lt;input type="checkbox" name="c1" value="maths"     /&gt; Maths
            &lt;input type="checkbox" name="c1" value="physics"   /&gt; Physics
            &lt;input type="checkbox" name="c1" value="chemistry" /&gt; Chemistry
            &lt;br&gt;

            &lt;button onclick="submit"&gt;Submit&lt;/button&gt;

            &lt;!-- input type="submit" value="submit" / --&gt;
            &lt;script&gt;
                &lt;!---
                function valthisform() {
                    var checkboxs=document.getElementsByName("c1");
                    var okay=false;
                    for(var i=0,l=checkboxs.length;i&lt;l;i++) {
                        if(checkboxs[i].checked) {
                            okay=true;
                            break;
                        }
                    }
                    if (!okay) { 
                        alert("Please check a checkbox");
                        event.preventDefault();
                    } else {
                    }
                }
                --&gt;
            &lt;/script&gt;
        &lt;/form&gt;
    &lt;/body&gt;
&lt;/html&gt;
</code></pre>


blocks|key|241726|text|赫曼特和维克拉姆的答案在Chrome中对我来说并不是很有效。无论是否通过验证，event.preventDefault()；脚本都会阻止页面提交。相反，我必须将event.preventDefault()；移动到if语句中，如下所示：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|241727|++++if(check+if+your+conditions+are+not+satisfying)+
++++{+
++++event.preventDefault();
++++alert("validation+failed+false");
++++returnToPreviousPage();
++++return+false;
++++}
++++alert("validations+passed");
++++return+true;
++++}|code-block|syntax|javascript|241728|感谢赫曼特和维克拉姆让我走上了正确的道路。|241729|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|L|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|M|8|@]|9|@]|A|$]]|$1|I|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|J|$]]

<p>Hemant and Vikram's answers didn't quite work for me outright in Chrome.  The event.preventDefault(); script prevented the the page from submitting regardless of passing or failing the validation.  Instead, I had to move the event.preventDefault(); into the if statement as follows:</p>

<pre><code>    if(check if your conditions are not satisfying) 
    { 
    event.preventDefault();
    alert("validation failed false");
    returnToPreviousPage();
    return false;
    }
    alert("validations passed");
    return true;
    }
</code></pre>

<p>Thanks to Hemant and Vikram for putting me on the right track.</p>


blocks|key|3131522|text|例如，如果您在表单上有提交按钮，为了停止其传播，只需在单击提交按钮或回车按钮时调用的函数中编写event.preventDefault()；即可。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3131523|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

<p>E.g if you have submit button on form ,inorder to stop its propogation simply write event.preventDefault(); in the function which is called upon clicking submit button or enter button.</p>


blocks|key|244073|text|做一件简单的事情有很多困难的方法：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|244074|<form+name="foo"+onsubmit="return+false">|code-block|syntax|javascript|244075|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

<p>Lots of hard ways to do an easy thing:</p>

<pre><code>&lt;form name="foo" onsubmit="return false"&gt;
</code></pre>


blocks|key|244081|text|简单地去做吧……|type|unstyled|depth|inlineStyleRanges|entityRanges|data|244082|<form>

</form>|code-block|syntax|javascript|244083|这就是你的JQuery|244084|$(document).on('submit',+'form',+function(e){
++++e.preventDefault();
++++//your+code+goes+here
++++//100%25+works
++++return;
});|244085|entityMap^0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|N|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|O|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|P|8|@]|9|@]|A|$E|F]]|$1|K|3|-4|5|6|7|Q|8|@]|9|@]|A|$]]]|L|$]]

<p>Simply do it....</p>

<pre><code>&lt;form&gt;
&lt;!-- Your Input Elements --&gt;
&lt;/form&gt;
</code></pre>

<p>and here goes your JQuery</p>

<pre><code>$(document).on('submit', 'form', function(e){
    e.preventDefault();
    //your code goes here
    //100% works
    return;
});
</code></pre>


blocks|key|2917370|text|我建议不要使用onsubmit，而是在脚本中附加一个事件。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|2917371|var+submit+=+document.getElementById("submitButtonId");
if+(submit.addEventListener)+{
++submit.addEventListener("click",+returnToPreviousPage);
}+else+{
++submit.attachEvent("onclick",+returnToPreviousPage);
}|code-block|syntax|javascript|2917372|然后使用preventDefault()+(或者对于较旧的浏览器使用returnValue+=+false+)。|2917373|function+returnToPreviousPage+(e)+{
++e+=+e+%7C%7C+window.event;
++//+validation+code

++//+if+invalid
++if+(e.preventDefault)+{
++++e.preventDefault();
++}+else+{
++++e.returnValue+=+false;
++}
}|2917374|entityMap^0|7|8|0|0|4|G|Y|J|0|0^^$0|@$1|2|3|4|5|6|7|Q|8|@$9|R|A|S|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|T|8|@]|D|@]|E|$I|J]]|$1|K|3|L|5|6|7|U|8|@$9|V|A|W|B|C]|$9|X|A|Y|B|C]]|D|@]|E|$]]|$1|M|3|N|5|H|7|Z|8|@]|D|@]|E|$I|J]]|$1|O|3|-4|5|6|7|10|8|@]|D|@]|E|$]]]|P|$]]

<p>I would recommend not using <code>onsubmit</code> and instead attaching an event in the script.</p>

<pre><code>var submit = document.getElementById("submitButtonId");
if (submit.addEventListener) {
  submit.addEventListener("click", returnToPreviousPage);
} else {
  submit.attachEvent("onclick", returnToPreviousPage);
}
</code></pre>

<p>Then use <code>preventDefault()</code> (or <code>returnValue = false</code> for older browsers).</p>

<pre><code>function returnToPreviousPage (e) {
  e = e || window.event;
  // validation code

  // if invalid
  if (e.preventDefault) {
    e.preventDefault();
  } else {
    e.returnValue = false;
  }
}
</code></pre>


blocks|key|2917393|text|基于@Vikram+Pudi的回答，我们也可以用纯Javascript这样做|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2917394|<form+onsubmit="submitForm(event)">
++++<input+type="text">
++++<input+type="submit">
</form>

<script+type="text/javascript">

++++function+submitForm(event){
++++++++event.preventDefault();


++++}
</script>|code-block|syntax|javascript|2917395|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

<p>Base on @Vikram Pudi answer, we can also do like this with pure Javascript</p>

<pre><code>&lt;form onsubmit="submitForm(event)"&gt;
    &lt;input type="text"&gt;
    &lt;input type="submit"&gt;
&lt;/form&gt;

&lt;script type="text/javascript"&gt;

    function submitForm(event){
        event.preventDefault();


    }
&lt;/script&gt;
</code></pre>


blocks|key|2917400|text|禁用提交按钮也有助于防止表单提交。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2917401|<input+style="display:none"+type="submit"+disabled>|offset|length|style|CODE|2917402|entityMap^0|0|0|1F|0^^$0|@$1|2|3|4|5|6|7|J|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|K|8|@$D|L|E|M|F|G]]|9|@]|A|$]]|$1|H|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|I|$]]

<p>Disabling submit button also can help to prevent form submission.</p>
<p><code>&lt;input style=&quot;display:none&quot; type=&quot;submit&quot; disabled&gt;</code></p>


<p>One way to stop form submission is to return false from your JavaScript function.</p>

<p>When the submit button is clicked, a validation function is called. I have a case in form validation. If that condition is met I call a function named <strong>returnToPreviousPage();</strong></p>

<pre><code>function returnToPreviousPage() {
    window.history.back();
}
</code></pre>

<p>I am using JavaScript and <a href="http://en.wikipedia.org/wiki/Dojo_Toolkit">Dojo Toolkit</a>.</p>

<p>Rather going back to the previous page, it submits the form. How can I abort this submission and return to the previous page?</p>


JavaScript code to stop form submission

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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停止表单提交的一种方法是从JavaScript函数返回false。当单击submit按钮时，将调用验证函数。我在表单验证中有一个案例。如果满足该条件，我将调用一个名为returnToPreviousPage();函数function returnToPreviousPage() {    window.history....

问用于停止表单提交的JavaScript代码
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问用于停止表单提交的JavaScript代码EN