我正在将表单数据保存到Firebase,我想等待成功后再显示警报。我怎样才能做到这一点?我正在使用以下代码:
var submitInquiry = function () {
// Get input values from each of the form elements
var name = $("#student-name").val();
var contact = $("#student-contact").val();
var email = $("#student-email").val();
var board = $("#student-board").val();
var subject = $("#student-subject").val();
var standard = $("#student-class").val();
var message = $("#student-message").val();
// Push a new inquiry to the database using those values
var inquiryInstance = inquiry.push();
inquiryInstance.push({
"name": name,
"contact": contact,
"email": email,
"board": board,
"subject": subject,
"standard": standard,
"message": message,
});
alert("Thank You! Your request has been received and our team will connect with you shortly.");
};
首先,你给push()
打了两次电话,这真的没有意义。 所以我假设你只打算叫一次。
根据 API docs push() 返回一个 "ThennableReference",这实际上只是说它返回一个在操作完成后解析的承诺。 使用此承诺执行其他一些回调函数,以便在写入完成后执行您想要的操作:
inquiry.push({ ... }).then(() => {
alert(...)
})