未使用(承诺)取消使用SweetAlert2 [英] Uncaught (in promise) cancel using SweetAlert2
问题描述
如何在使用promises时正确转义取消按钮而不会抛出错误?我的代码会抛出一个带有必填复选框的警报确认。代码执行应该对用户,但它在控制台窗口中抛出一个错误:
how do I properly escape the cancel button without throwing an error when using promises? My code throws an alert confirmation with a required checkbox. the code executes as it should to the user, but it throws an error in the console window:
未捕获(在承诺中)取消
Uncaught (in promise) cancel
//validation logic all passes...Now proceed to...
else
{
//determine and parse Discounts
var myLookup = document.getElementsByName("myLookup")[0].value;
$.post( "findthem.php", {myLookup: myLookup })
.done(function(json_data){
var theResponse1 = $.parseJSON(json_data);
myDiscountRate = theResponse1['ourDiscountFound'];
}).then( function(callback){
priceRate = priceRate * (1 - (.01 * myDiscountRate));
newRate = priceRate.toFixed(2);
}
swal({
title: "Confirm",
input: 'checkbox',
inputValue: 0,
type: "warning",
inputPlaceholder: 'I agree to <a href="#blahblahMore"></a> Your new Rate is :'+newRate,
showCancelButton: true,
confirmButtonText: 'Confirm',
showLoaderOnConfirm: true,
preConfirm: function(result) {
return new Promise(function(resolve, reject) {
if (result) {
$.post("my.php", {
Data: data
})
.done(
function(json_data) {
var data_array = $.parseJSON(json_data);
var moreDetails = '';
var resulting = 'error';
var details = "Transaction Declined"
if (data_array["trxApproved"] == true) {
resulting = 'success';
details = "Confirmed"
moreDetails = "<br>Approved<b>" + data_array["approved"] + "</b>" +
"<br>Details Code: <b>" + data_array["detailsCode"] + "</b>";
}
swal({
type: resulting,
title: details,
html: "<h1>Details: </h1>" + data_array["messagetext"] + moreDetails
});
}
);
resolve();
} else {
reject('You must agree to our Terms & Conditions ');
}
});
},
allowOutsideClick: false
}).then(function(json_data) {
})
});
推荐答案
更新(2017年1月):此问题已在第7版中修复: v7升级指南↗
Update (Jan 2017): This issue has been fixed in v7: v7 upgrade guide ↗
您需要向Promise添加拒绝处理程序。或者,你可以使用 .catch(swal.noop)
作为一种简单的方法来简单地抑制错误:
You need to add a rejection handler to the Promise. Alternatively, you can use .catch(swal.noop)
as a quick way to simply suppress the errors:
swal('...')
.catch(swal.noop);
PS。您正在使用的软件包称为SweetAlert 2 ,而不是SweetAlert。在将来的问题中,请提及它,以便您可以获得更多相关答案。
PS. the package you're using is called SweetAlert2, not SweetAlert. In future questions please mention it so you can get more relevant answers.
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