表单上的Java确认提交未取消 [英] Javascript Confirm on Form Submit Not Canceling

问题描述

我有一个非常简单的Javascript函数，我想将其包含在表单中(提交或取消).问题是，如果我按取消"，则应该取消表单提交.现在，它只是给我适当的警告，但无论我按下确定"还是取消"，都继续提交表格.

I have a pretty simple Javascript function I want to include in a form (submit or cancel). The problem is it's supposed to cancel the form submit if I push cancel. Right now it just gives me the appropriate warning, but continues with submitting the form whether I push "ok" or "cancel".

我是JS的新手，如果我缺少一些基本知识，对不起，但是对于这个看似简单的问题，我似乎找不到一个可靠的答案.

I'm new to JS so sorry if I'm missing something basic, but I can't seem to find a solid answer to this seemingly simple problem.

JAVASCRIPT

JAVASCRIPT

function confirmdelete()
{
confirm("Deleting this answer may cause dataloss, are you sure you want to continue?")
}

PHP/HTML

echo '
    <form onsubmit="confirmdelete()" class="answerform" id="deletelink" action="/admin/questions" method="post"
    onsubmit="return confirm("Do you want to delete this answer?");>
        <input type="hidden" name="ansdel" value="' . $row['id'] . '">
        <input type="hidden" name="notice" value="You have deleted: ' . $row['answer'] . '">
        <input class="answerbutton" id="deletebutton" type="submit" value="Delete">
    </form>
';

推荐答案

通过放置

onsubmit="return confirmdelete()"

代替

onsubmit="confirmdelete()"

这是主要问题，还使用了Rob的一些更新作为最终的Javascript功能...谢谢！

That was the main issue, also used some of Rob's updates above for the final Javascript function... Thanks!

function confirmdelete() {
    var r=confirm("Deleting this answer may cause data loss, are you sure you want to continue?");
    if (r==true)
      {
        return true;
      }
    else
      {
        return false;
      }
}

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