How to solve the cross-domain problem of JavaScript and its real-time refresh
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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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