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webmaster128/backgroundscript.js

Last active July 17, 2019 15:17
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backgroundscript.js
// create some methods in the background script that can be called from the UI
window.getBinary = () => new Uint8Array([1, 2, 3]);
window.getUint8ArrayConstructor = () => Uint8Array;
Raw
ui.js
const binary = chrome.extension.getBackgroundPage().getBinary();
console.log(binary instanceof Uint8Array); // false 🤯
const constructor = chrome.extension.getBackgroundPage().getUint8ArrayConstructor();
console.log(binary instanceof constructor); // true
console.log(constructor === Uint8Array); // false
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