JQuery's $. ajax asynchronous request page flashing solution

Source: Internet
Author: User

Scene

Currently there is a need to fill in the text box, automatically trigger the KeyUp event, the Drop-down list will automatically filter the appropriate options, but the use of $,ajax found that every time the event triggered, causing the entire Web page flashing, triggering the global Ajax event
Code fragment

$.ajax ({
Type: "POST",
Url:root + "/xxx,
Data:requestdata,
DataType: "JSON",
Success:function (data) {
Empty list
$ ("#formOpinion #listLeft"). empty ();
$.each (data,
function (i, $data) {
var $option = $ ("<option name= ' Opinion.tag ' value=")
+ $data. Code + $DATA. Name + ">" + $data. Code
+ $data. Name + "</option>");
Binding Data to Listleft
$ ("#formOpinion #listLeft"). Append ($option);
});
}
});

Solution

View the jquery API documentation found that there is a global attribute in the $.ajax. You can set whether to globally scope AJAX events, default to True, and false to

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