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next / express / next-routes
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detect the Vimium Chrome extension
Detect whether the Vimium Chrome extension is installed.
hasVimium returns true if Vimium is detected, false otherwise. This detection is not 100% accurate.
if (hasVimium()) {
alert("Hey, you have Vimium!");
} else {
alert("I don't detect Vimium, but it might still be there.");
}