javascript - Can get information (.get) -

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this question has answer here:

i try fetch information public website area. let's want product name , price of only. when try information site giving me error:

no 'access-control-allow-origin' header present on requested resource. origin 'http://demo.com' therefore not allowed access.

the script use is: 

$(document).ready(function() {     $.get("http://www.ebay.com", function(data) {         console.log(data)     }); });


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