调用Javascript函数后不要提交表单 [英] Don't submit form after calling Javascript function

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问题描述

我有这个问题:

我的HTML代码:

 < form name =addUsermethod =postaction =../ src / process_register.php> 
....
< button type =submitonClick =formhash_register(this.form);>提交< / button>
< / form>

我的JavaScript代码:

 函数formhash_register(form)
{
var username = form.inputUsername.value;

if(username ==)
return false;
else
form.submit();
}

虽然我的函数返回false,但您会转到另一个页面,我想要的。
试试这个:

试试这个:

 < button type =submit
onClick =return formhash_register(this.form);>提交< / button> ;


I have this problem:

my HTML code:

<form name="addUser" method="post" action="../src/process_register.php">
    ....
    <button type="submit" onClick="formhash_register(this.form);">Submit</button>
</form>

my JavaScript code:

function formhash_register(form) 
{
var username = form.inputUsername.value;

if(username == "")
        return false;
    else
        form.submit();
}

Although my function returns false, you will go to another page, and thats not what I wanted. Is there way to cancel submit process when the submit button is pressed ?

解决方案

Try this:

 <button type="submit" 
      onClick="return formhash_register(this.form);">Submit</button>

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