javascript - 无需页面加载即可提交帖子表单

Question

我有一个像这样的表格:

       <form id = "membershipInfo" method = "post" action = "Default.aspx" onsubmit  = "dialogSubmitForm()" \> 
            <input type = "text" id = "changeStoreDialogText" name = "ChangeLocation" value="" /> 
            <input type = "submit" id = "DialogSubmit" value = ""/> 
        </form>

有时我希望提交导致页面加载，有时我不希望它发生。这是dialogSubmitForm:

function dialogSubmitForm() {
    //Checks to see how to submit
    if (placeHolderVisibility) {
        //Checks to ensure that the correct information was entered
        if (!isNaN($(codeChange).val()) && ($(codeChange).val()).length == 5) {
            //Submit at page load
        } else {
            //code
            //Do not submit to pageload
            return false;
        }
    }
    else //Do submit through javascript
    {
        //Code

        //Do not submit to pageload
        return false;
    }
}

我认为返回 false 不会导致页面加载，但显然确实如此。如何通过提交按钮阻止页面加载？

Answer 1

你可以试试

onsubmit  = "return dialogSubmitForm()" \>

如果您在dialogSubmitForm() 函数中返回false，这将阻止提交。