chrome-extensionHow to access page variables

var script = document.createElement('script');
script.textContent = 'console.log(page_var);';
(document.head||document.documentElement).appendChild(script);ctrl + cyoutubegithub

`var script` init script DOM element	`script.textContent` set script content (js code)
`console.log(page_var);` sample code to access page variable (`page_var` is a variable defined within loaded page)	`appendChild(script)` inject script into a page

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