10 examples of 'document.getelementbyid('demo').innerhtml = date()' in JavaScript

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function mydate1()
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{
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    d=new Date(document.getElementById("startDate").value);
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    dt=d.getUTCDate();
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    mn=d.getUTCMonth();
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    mn++;
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    yy=d.getFullYear();
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    document.getElementById("ndt").value=dt+"/"+mn+"/"+yy;
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    document.getElementById("ndt").hidden=false;
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    document.getElementById("startDate").hidden=true;
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    document.getElementById("start-up").innerHTML=dt+"/"+mn+"/"+yy;
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}

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function updateDate() {
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  var now = new Date();
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  document.getElementById("date-output").innerHTML = dateFormat(now, "ddd d mmm");
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}

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function update_date(value) {
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	if (document.getElementById("date") == null)
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		return;
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	document.getElementById("date").value = value;
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}

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function main(){
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    setupWelcomeMessage();
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    setupGroups();
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    document.addEventListener('keyup', shortcutListener, false);
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}

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initDemoValue(): void {
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  let model = new InputDateModel();
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  model.name = 'field-' + new Date().getTime() + Math.floor(Math.random() * 1000);
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  model.value = 'Costa Rica';
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  model.type = 'datetime-local';
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  this.demoValue = model;
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}

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function update_time() {
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  document.getElementById('time').innerText = new Date().toLocaleString();
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}

10
function reloadD(){
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d = new Date();
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//We added a date to grab the non-cached version of the qr code image file from server
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document.getElementById('qrcodew').src="tmp.jpg?h="+d.getTime();
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}

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function clock() {
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    var d = new Date();
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    document.getElementById("currentTime").innerHTML = d.toLocaleDateString();
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}

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function init() {
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  var tomorrowBtn = document.getElementById('tomorrow'),
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      formatBtn = document.getElementById('format'),
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      isleapBtn = document.getElementById('isleap');
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  tomorrowBtn.onclick = tomorrowEvent;
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  formatBtn.onclick = formatEvent;
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  isleap.onclick = isleapEvent;
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  // 测试计算天数函数
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  console.log( '指定月份天数201604：' + getDaysByMonth(2016, 4) );
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  console.log( '指定年份天数2015：' + getDaysByYear(2015) );
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  // initDate();
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  browserDate();
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}

6
function Demo() {
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	this.state = "movement"; //intro, gesture, movement
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	this._leap = false;
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	this.idleTime = new Date();
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	this._explain_timer = null;
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	this._advancing = false;
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	this._last_feedback = -1;
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	this._reset_timer = null;
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	this._next_timer = null;
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	this.update();
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	this.dataset = "Categories";
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	this._data_timer = setTimeout(this.nextData.bind(this), data_length);
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}