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How can I get html source code from an external web page?

Something like: getHtml('http://google.com');.

I've tried to get content of iframe using: $("#frame").contents().find("html");, but if in my case the webpage doesn't have html tags, just 1 line of text. I can't do it with php file_get_contents() because it doesn't keep session data.

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Cross domain? not possible without a server process. If you are on windows and can use HTA you can use the iframe

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With javascript, getting the file contents from another domain is not allowed in many browsers for security reasons. In php, you'd have to utilize curl.

For a workaround, you can make a php script with curl on your local domain and call that with javascript.

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I think that using JavaScript and XMLHttpRequest with setRequestHeader('content-type','xml/text') and the page that you want to scrape will return the responseText as the html of the page.

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This answer looks incorrect. You can delete it if you like. This might be a good idea because I think you now have less than one reputation which is not good. If you delete this it might go back to one.

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