Created
December 11, 2014 05:52
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| <html> | |
| <body> | |
| </body> | |
| <script> | |
| function num(px) { | |
| return Number(px.replace('px', '')) | |
| } | |
| function px(num) { | |
| return num + "px"; | |
| } | |
| function move(el) { | |
| setInterval(function(){ | |
| el.style.top = num(el.style.top) + 10 | |
| el.style.left += num(el.style.left) + 10 | |
| }, 30) | |
| } | |
| function intRandom(n) { | |
| return Math.floor(Math.random() * n) | |
| } | |
| function createSnow() { | |
| var startLeft = px(intRandom(1000) % 1000) | |
| var snow = document.createElement('img'); | |
| snow.src = "https://www.google.co.jp" | |
| snow.style.backgroundColor= "black"; | |
| snow.style.position = "absolute" | |
| snow.style.width = "20px" | |
| snow.style.height = "20px" | |
| snow.style.top = "10px" | |
| snow.style.left = startLeft | |
| document.body.appendChild(snow); | |
| return snow | |
| } | |
| for(var i = 0; i < 100; i++) { | |
| var s = null | |
| setTimeout(function(){ | |
| s = createSnow(); | |
| move(s) | |
| }, intRandom(20000)) | |
| } | |
| </script> | |
| </html> |
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