30 lines
936 B
JavaScript
30 lines
936 B
JavaScript
/* 大屏：时钟 + 全屏快捷键 */
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(function () {
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'use strict';
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function pad(n) { return n < 10 ? '0' + n : '' + n; }
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function tick() {
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var d = new Date();
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var clock = document.querySelector('[data-clock]');
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if (clock) clock.textContent = pad(d.getHours()) + ':' + pad(d.getMinutes()) + ':' + pad(d.getSeconds());
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var dateEl = document.querySelector('[data-date]');
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if (dateEl) {
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dateEl.textContent = d.getFullYear() + '-' + pad(d.getMonth() + 1) + '-' + pad(d.getDate()) +
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' 周' + '日一二三四五六'.charAt(d.getDay());
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}
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}
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tick();
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setInterval(tick, 1000);
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document.addEventListener('keydown', function (e) {
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if (e.key === 'f' || e.key === 'F') {
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if (document.fullscreenElement) {
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document.exitFullscreen();
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} else if (document.documentElement.requestFullscreen) {
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document.documentElement.requestFullscreen();
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}
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}
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});
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})();
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