我在执行代码时无法获得errorCount
属性。我遇到的问题发生在$.ajax
请求内,更具体地说是addError()
方法。JavaScript对象计数器不按预期递增
如果我使用下面的代码来检查errorCount
的当前计数,它总是会返回0
即使我手动创建了一个错误发生。但是在我调用addError()
之后,在ajax方法的内部,然后检查errorCount
的值,它显示了1
。我做错了什么?
var boom = new test(settings, formData, search);
console.log(boom.errorCount);
boom.queueCalls(settings);
console.log(boom);
console.log(boom.errorCount);
下面是目标代码:
function test(a, b, c) {
this.settings = a;
this.formData = b;
this.search = c;
this.errorCount = 0;
}
test.prototype = {
constructor: test,
queueEmails:function(settings, formData, search) {
var url = '/example-url-endpoint';
var data = {postData: settings + "&" + formData + "&" + search};
this.sendRequest(url, data);
},
queueCalls:function(settings) {
var url = '/example-url-endpoint2';
this.sendRequest(url, settings);
},
addMessage:function(response) {
flashMessage(response.Message, response.Result);
},
addError:function() {
this.errorCount++;
},
sendRequest:function(url, data) {
var blah = this;
j$.ajax({
type: "POST",
url: url,
data: data,
dataType: 'json',
success: function(data) {
response = JSON.parse(data);
if(response.Result != 'error') {
blah.addMessage(response);
} else {
blah.addMessage(response);
blah.addError();
console.log(blah.errorCount);
}
},
error: function(e, textStatus, errorThrown) {
blah.addError();
console.log(blah.errorCount);
alert("There was an error creating the queue");
}
});
}
}
这是因为调用是异步的,它显示为0的错误返回1 –