jquery 的 $.get 是异步的吗？
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Is $.get of jquery asynchronous?
提问by ksm001
I was wondering whether I should use asynchronous calls on my website or not. I know to specify this explicitly I need to use
我想知道我是否应该在我的网站上使用异步调用。我知道要明确指定这个我需要使用
$.ajax
however initially I tried using $.getand although the server had to return lots of information, my browser didn't stuck and I could navigate without any problems.
但是最初我尝试使用$.get，虽然服务器必须返回大量信息，但我的浏览器没有卡住，我可以毫无问题地导航。
I searched a little bit online about it, however I'm still not 100% certain about the difference between the two.
我在网上搜索了一下，但我仍然不能 100% 确定两者之间的区别。
If $.getis asynchronous then what's the point of $.ajax? And if it's not, then again seeing how I had no navigation problems with $.get, what's the point of using $.ajax?
如果$.get是异步的，那么有什么意义$.ajax呢？如果不是，那么再次看到我没有导航问题$.get，使用 有$.ajax什么意义？
thanks in advance
提前致谢
回答by T.J. Crowder
Yes, $.getis asynchronous. From the documentation:
是的，$.get是异步的。从文档：
This is a shorthand Ajax function, which is equivalent to:
$.ajax({ url: url, data: data, success: success, dataType: dataType });
这是一个简写的 Ajax 函数，相当于：
$.ajax({ url: url, data: data, success: success, dataType: dataType });
...and as that doesn't have the asyncoption, asyncdefaults to true. (Note that asyncwill be going away entirely in a future version of jQuery; it will alwaysbe true.)
...由于没有async选项，async默认为true. （请注意，这async将在未来版本的 jQuery 中完全消失；它永远是真实的。）
If
$.getis asynchronous then what's the point of$.ajax?
如果
$.get是异步的，那么有什么意义$.ajax呢？
$.ajaxgives you control over lot more options. $.getis just a shortcut.
$.ajax让您可以控制更多选项。$.get只是一个捷径。
回答by Jo?o Silva
回答by Connor Doyle
As stated by the jQuerydocumentation, $.getis a convenience wrapper for the more low-level $.ajax.
如jQuery文档所述，$.get是更底层$.ajax.
回答by Cosmo Arun
$.ajax with GET method, How about this with a promise object?
$.ajax 与 GET 方法，这个与承诺对象如何？
function showResults(name) {
var deferred = $.Deferred, requests = [];
requests.push($.ajax({url:"/path/to/uri/?name=" + name, type: "GET", async: false}).done(function(d) {
//alert or process the results as you wish
}));
$.when.apply(undefined, requests).then(function(d) { console.log(d); /*var d is a promised late return */ deferred.resolve(); });
return deferred.promise();
}
he returned promise object can also be used with $.when(showResults('benjamin')).done(function() { });for post modifications (like chart/graph settings etc). totally reusable. You may also put this function in a loop of $.deferred requests like,
他返回的承诺对象也可用于$.when(showResults('benjamin')).done(function() { });后期修改（如图表/图形设置等）。完全可重复使用。您也可以将此函数放入 $.deferred 请求的循环中，例如，
function updateResults() {
var deferred = $.Deferred, requests = [];
requests.push($.ajax(url:"/path/to/names/?nameArr=" + jsonArrOfNames, type: "GET", async: false}).done(function(res) { requests.push(showResults(res[0]));}) );
$.when.apply($, requests).then(function(d) { console.log(d); /*var d is a promised late return */ deferred.resolve(); });
return deferred.promise();
}
