我不得不添加一些混合面板跟踪到一个很好的旧asp.net页面,它变成了一个噩梦。我有这个按钮:
<asp:Button ID="idConfirmAndSubmitButton" name="confirmAndSubmitButton" Text="Confirm and Submit" OnClick="SaveAndPublishClick" runat="server" />在.cs文件上有这样的代码:
idConfirmAndSubmitButton.OnClientClick = "mixpanel.track('track me'); return validateFields()";只有当validateFields()返回false时,才会在mixpanel上跟踪事件;
我设法非常简单地重现了这个问题:
这将正确跟踪:
idConfirmAndSubmitButton.OnClientClick = "mixpanel.track('track me'); return false";这不会:
idConfirmAndSubmitButton.OnClientClick = "mixpanel.track('track me'); return true";发布于 2014-08-14 15:49:27
似乎如果validateFields()返回true,那么表单就会提交,页面就会发生变化,而mixpanel代码就不会被触发。mixpanel支持建议我添加一个小延迟(300ms),以便在提交表单之前给跟踪代码一个触发的机会。这是我在最后结束的代码,它似乎起作用了:
<input type="submit" name="ctl00$phMainBody$idConfirmAndSubmitButton" value="Confirm and Submit"
onclick="if(delayPostback(this,validateFields(['ctl00_phMainBody_idProfileForm']))){ console.log('stopping the postback'); return false;};"
id="ctl00_phMainBody_idConfirmAndSubmitButton">
<script type="text/javascript">
var postbackDelayed = false;
function delayPostback(e, validated) {
if (postbackDelayed) {
postbackDelayed = false;
return !validated;
} else {
postbackDelayed = true;
}
console.log('tracking');
mixpanel.track('Minimum Required Fields - confirm and submit clicked');
window.setTimeout(function () {
console.log("clicking again");
e.click();
}, 300);
console.log("returning true");
return true;
}
</script>一些改编自http://forums.asp.net/t/1604156.aspx?Delay+Postback+in+Javascript的代码
https://stackoverflow.com/questions/25268062
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