Countdown via user input
Adapted from mbostock’s block #9843633 Countdown
Last active
August 29, 2015 14:00
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Countdown via user input
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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <script type="text/javascript" src="//cdnjs.cloudflare.com/ajax/libs/d3/3.4.2/d3.js"></script> | |
| <link href='http://fonts.googleapis.com/css?family=Source+Code+Pro:500' rel='stylesheet' type='text/css'> | |
| <style> | |
| body { | |
| font-family: 'Source Code Pro', monospace; | |
| font-size: 72px; | |
| text-align: center; | |
| width: 960px; | |
| color: #454545; | |
| /*background: yellow;*/ | |
| } | |
| form {display: block; background: transparent; margin-top: -30px;} | |
| input {border: 1px dotted #ccc; background: white; padding: 6px 10px; font-size: 18px; margin: 0 10px 20px 0; color: red; max-width: 50px;} | |
| input:focus { background-color:yellow; outline: none;} | |
| h1 {font-size: 18px; text-align: left; max-width: 60%; margin-left: 20%;} | |
| h2 {font-size: 72px; color: #eee; margin: 0;} | |
| span {color: #888;} | |
| </style> | |
| <h1>Enter a number between 1 and 24, which will be the hour time for tomorrow, to initiate countdown e.g. 4 would represent 4am </h1> | |
| <form name="myform" onSubmit="return handleClick()"> | |
| <input type="number" id="myVal" name="myValInput" maxlength="2" /> | |
| <input name="Submit" type="submit" value="GO" /> | |
| </form> | |
| <h2>hr:mn:sc</h2> | |
| <div id="countdown"></div> | |
| <script src="http://d3js.org/d3.v3.min.js"></script> | |
| <script> | |
| function handleClick(event){ | |
| console.log(document.getElementById("myVal").value) | |
| timeLeft(document.getElementById("myVal").value) | |
| return false; | |
| }; | |
| // time via user input tomorrow | |
| function timeLeft(val) { | |
| var formatTime = d3.time.format("%X"), | |
| countdown = d3.select("#countdown"), | |
| today = d3.time.day(new Date); | |
| var deadline = d3.time.day.offset(today, 1); | |
| deadline.setHours(val); | |
| (function tick() { | |
| var now = new Date; | |
| countdown.text(formatTime(new Date(+today + +deadline - d3.time.second(now)))); | |
| setTimeout(tick, 1000 - now % 1000); | |
| })(); | |
| }; | |
| </script> |
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