Created
October 17, 2022 09:00
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function waitForElm(selector) { | |
return new Promise(resolve => { | |
if (document.querySelector(selector)) { | |
return resolve(document.querySelector(selector)); | |
} | |
const observer = new MutationObserver(mutations => { | |
if (document.querySelector(selector)) { | |
resolve(document.querySelector(selector)); | |
observer.disconnect(); | |
} | |
}); | |
observer.observe(document.body, { | |
childList: true, | |
subtree: true | |
}); | |
}); | |
} |
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