Method supportsExt

data/src/emulator.js:778–782

(ext)

    }
    downloadRom() {
        const supportsExt = (ext) => {
            const core = this.getCore();
            if (!this.extensions) return false;
            return this.extensions.includes(ext);
        };

        return new Promise(resolve => {
            this.textElem.innerText = this.localization("Download Game Data");