JavaScript\u3067\u8907\u6570\u306e\u30d0\u30fc\u3092\u4f38\u3070\u3059\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3092\u4f5c\u6210\u3057\u3066\u307f\u305f\u3002
\n
\n\u30e1\u30a4\u30f3\u30eb\u30fc\u30d7\u7528\u306e\u51e6\u7406\u3067\u306f\u30ab\u30a6\u30f3\u30c8\u3092\u3057\u3066\u3001\u30ab\u30a6\u30f3\u30c8\u304c\u3042\u308b\u5024\u306b\u306a\u3063\u305f\u3089\u3001\u5225\u306e\u51e6\u7406\u3092setInterval\u3067\u52d5\u304b\u3059\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059\u3002\u30e1\u30a4\u30f3\u30eb\u30fc\u30d7\u304c\u9577\u3044\u9593\u9694\u3067\u52d5\u304d\u3001\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u306f\u77ed\u3044\u9593\u9694\u3067\u52d5\u304b\u3057\u305f\u3044\u3068\u304d\u306b\u306f\u3001\u3053\u3046\u3059\u308c\u3070\u826f\u3044\u3067\u3059\u306d\u3002\u305f\u3060\u3001\u3042\u307e\u308asetInterval\u3067\u51e6\u7406\u3092\u767b\u9332\u3057\u3066\u3044\u304f\u3068\u7121\u99c4\u304c\u5897\u3048\u3066\u304f\u308b\u306e\u3067\u3001\u540c\u3058\u9593\u9694\u3067\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u51e6\u7406\u3092\u52d5\u304b\u305b\u3070\u3044\u3044\u3068\u304d\u306f\u3001\u5c02\u7528\u306e\u95a2\u6570\u30921\u3064\u3060\u3051\u767b\u9332\u3057\u3066\u3001\u305d\u308c\u306b\u767b\u9332\u3055\u308c\u305f\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u66f4\u65b0\u51e6\u7406\u3092\u3059\u308b\u3088\u3046\u306b\u8a18\u8ff0\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u4f8b\u306f\u9593\u9694\u304c\u9577\u3044\u51e6\u7406\u3067\u306f\u901a\u4fe1\u306b\u3088\u308b\u30c7\u30fc\u30bf\u66f4\u65b0\u3092\u3057\u3066\u3001\u53d6\u3063\u3066\u304d\u305f\u30c7\u30fc\u30bf\u3092\u8868\u793a\u3078\u53cd\u6620\u3055\u305b\u308b\u3068\u304d\u306b\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3092\u3055\u305b\u308b\u5fc5\u8981\u304c\u3042\u308a\u3001\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u51e6\u7406\u306e\u5b9f\u884c\u9593\u9694\u306f\u77ed\u3044\u5834\u5408\u3092\u60f3\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
\r\n<!DOCTYPE html>\r\n<html>\r\n<head>\r\n <meta http-equiv="content-type" content="text\/html; charset=UTF-8">\r\n <title>sample animation<\/title>\r\n<\/head>\r\n<body>\r\n <div id="log" style="position:absolute;"><\/div><br\/>\r\n <div id="target1" style="position:absolute;">target1<\/div><br\/>\r\n <div id="target2" style="position:absolute; color: white; background-color: darkblue;">target2<\/div><br\/>\r\n <div id="target3" style="position:absolute; color: white; background-color: darkred;">target3<\/div>\r\n<script type='text\/javascript'>\r\nvar INTERVAL=1000;\r\nvar COUNT_MAX=30;\r\n\r\nvar target1 = document.getElementById("target1");\r\nvar target2 = document.getElementById("target2");\r\nvar target3 = document.getElementById("target3");\r\nvar current_width2 = 0;\r\nvar current_width3 = 0;\r\nvar target2_timer_id = 0;\r\nvar target3_timer_id = 0;\r\n\r\nfunction log(message) {\r\n document.getElementById('log').innerHTML = message;\r\n}\r\n\r\nvar cnt=0;\r\nfunction runner(time_value) {\r\n if (cnt > COUNT_MAX) {\r\n clearInterval(id);\r\n return;\r\n }\r\n if (cnt == 5) {\r\n var target2_timer_id = setInterval(function() {\r\n current_width2 += 20;\r\n target2.style.width = current_width2 + 'px';\r\n if (current_width2 > 400) {\r\n clearInterval(target2_timer_id);\r\n }\r\n }, INTERVAL\/2);\r\n }\r\n if (cnt == 10) {\r\n var target3_timer_id = setInterval(function() {\r\n current_width3 += 20;\r\n target3.style.width = current_width3 + 'px';\r\n if (current_width3 > 800) {\r\n clearInterval(target3_timer_id);\r\n }\r\n }, INTERVAL\/10);\r\n }\r\n var v = cnt + ':' + time_value;\r\n target1.innerHTML = v;\r\n cnt++;\r\n}\r\nvar id = setInterval(function() {\r\n var time_value = (new Date()).getTime();\r\n runner(time_value);\r\n }, INTERVAL);\r\n\r\n<\/script>\r\n<\/body>\r\n<\/html>\r\n<\/pre>\nJavaScript\u306b\u3064\u3044\u3066\u306f\u3001\u4e0b\u8a18\u306e\u66f8\u7c4d\u306e\u53c2\u8003\u306b\u306a\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n