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This article mainly explains "how to solve the JavaScript cross-domain problem and real-time refresh". The content of the article is simple and clear, and it is easy to learn and understand. Please follow the editor's train of thought to study and learn "how to solve JavaScript cross-domain problem and real-time refresh".

If you need to use Ajax to display data from other websites on your own page, it will involve cross-domain issues.

Solution: jQuery.support.cors = true; (browsers support cross-domain access)

Example:

The copy code is as follows:

/ / the browser supports cross-domain access

JQuery.support.cors = true

$.ajax ({

Url: "http://www.rj99999.com/Price/ListPrice.html",

DataType: 'html'

Success: function (data, textStatus) {

/ / nowPrice displays data controls for this page, and # price', data is an element named price taken from other websites.

$("# nowPrice") .text (jQuery ('# price', data) .html () + "yuan / g")

}

Error: function (xhr, ajaxOptions, thrownError) {

$("# nowPrice") .text ("temporarily unavailable")

}

});

/ / Refresh in real time

The togglecountdowntime () method is called every 60000 milliseconds / 1 minute.

SetTimeout ("togglecountdowntime ()", 60000)

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