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Try it yourself


Chikwado

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Opera Mini isn't a browser in the traditional sense, it does not download HTML, CSS, and Javascript and render it. It uses a proxy server which actually downloads and renders the page and the proxy server sends Opera Mini what is essentially a screenshot of the page, similar to a PDF. So, Opera Mini doesn't execute Javascript at all, the Javascript is executed on Opera's server and the result is sent to Opera Mini. The point is to use less bandwidth for Opera Mini users since the proxy server is what downloads all of the files, and it only sends a representation of what the page should look like to the device that requested it. Because of that, using Javascript sites on Opera Mini is tricky at best, things that rely heavily on Javascript may not work at all.

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Thanks so much for contributions, But I has been using it to run "javascript try it yourself demo" before and it works fine, But this few days it stop. "Try it yourself demo" has about 70% height and width before , but now it has about 15 to 20 height and width and does not execute files. I don't know weather it was edited by w3schools.

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