The basic syntax of these methods can be given with: $.get(URL,data,success);—Or—$.post(URL,data,success); The parameters in the above syntax have the following meaning: The requiredURLparameter specifies the
$.ajax({ statusCode: { 404:function(){ alert("page not found"); } } }); If the request is successful, the status code functions take the same parameters as the success callback; if it results in an error (including 3xx redirect), they take the same parameters as theerrorcallback....
/* Wrapper function for constructing a request object.Parameters:reqType: The HTTP request type, such as GET or POST.url: The URL of the server program.asynch: Whether to send the request asynchronously or not. */ function httpRequest(reqType,url,asynch){//Snipped… See hack #1 or #2}...
用AJAX像服务器发送请求和获得服务器返回的数据并且更新到界面中,不是整个页面刷新,而是在HTML页面中使用JavaScript创建XMLHTTPRequest对象来向服务器发送请求以及获得返回的数据,就像JavaScript版的WebClient一样,在页面中由XMLHTTPRequest对象来向服务器发出请求以及获得返回数据,这样页面就不会刷新了。XMLHTTPRequest是AJAX...
$.ajax({ statusCode: { 404: function() { alert( "page not found" ); } } }); If the request is successful, the status code functions take the same parameters as the success callback; if it results in an error (including 3xx redirect), they take the same parameters as the error ...
If a request with jQuery.get() returns an error code, it will fail silently unless the script has also called the globalajaxErrorevent. Alternatively, as of jQuery 1.5, the.error()method of thejqXHRobject returned by jQuery.get() is also available for error handling. ...
$.ajax({name:value, name:value, ... }) The parameters specifies one or more name/value pairs for the AJAX request. Possible names/values in the table below: NameValue/Description asyncA Boolean value indicating whether the request should be handled asynchronous or not. Default is true ...
Then we pass in some data to send along with the request (name and city). The ASP script in "demo_test_post.asp" reads the parameters, processes them, and returns a result. The third parameter is a callback function. The first callback parameter holds the content of the page requested...
The $.ajax() Function The jQuery $.ajax() function is used to perform an asynchronous HTTP request. It was added to the library a long time ago, existing since version 1.0. The $.ajax() function is what $.get(), $.post(), and $.load() calls behind the scenes using a preset co...
What Are the Basic Parameters of the $.ajax() Function? The basic parameters of the $.ajax() function include: url: The target URL for the request. method: HTTP POST request or GET request. data: The data to be sent with the request, either as JSON, query strings, or form data. ...