js 喚端（js喚起手機App）

h5頁面喚起app

const appDownload = () => { // 分享- 喚起 - 下載
	function failed() {
		window.location = '應用商店的scheme '
	}
	function transfer(cb) {
		window.location.href = '自家產品的scheme,須要與客戶端同事定義'
		const initialTime = new Date();
		let counter = 0;
		let waitTime = 0;
		const checkOpen = setInterval(() => {
			counter++;
			waitTime = new Date() - initialTime;
			if (waitTime > 5000) {
				clearInterval(checkOpen);
				cb();
			}
			if (counter < 1000) { return; }
			const hide = document.hidden || document.webkitHidden;
			if (!hide) {
				cb(); // 喚端失敗的回調函數
			}
		}, 20);
		document.addEventListener('visibilitychange', () => {
			const isHidden = document.hidden;
			if (isHidden) {
				clearInterval(checkOpen);
			}
		});
	}
	transfer(failed)
}