\u3053\u306e\u95a2\u6570\u306b\u306fDOM\u304c\u30c8\u30e9\u30d0\u30fc\u30b9\u3084\u64cd\u4f5c\u3092\u5b9f\u884c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u3068\u304d\u306b\u5b9f\u884c\u3055\u308c\u308bJavaScript\u306e\u30b3\u30fc\u30c9\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/p>\n
window.onload \u30a4\u30d9\u30f3\u30c8\u306b\u63db\u3048\u3066\u5229\u7528\u3067\u304d\u308b\u3082\u306e\u3067\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u4f55\u5ea6\u3067\u3082\u5229\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n
<!DOCTYPE html>\r\n<html>\r\n<head>\r\n<meta charset=\"UTF-8\">\r\n<title>jQuery<\/title>\r\n<\/head>\r\n<body>\r\n<script src=\"http:\/\/ajax.googleapis.com\/ajax\/libs\/jquery\/1.9.1\/jquery.min.js\"><\/script>\r\n<script type=\"text\/JavaScript\">\r\njQuery(document).ready(function(){\r\n alert('ready!');\r\n});\r\n<\/script>\r\n<\/body>\r\n<\/html><\/pre>\n\u4e0a\u8a18\u3067\u3001<\/body> \u306e\u76f4\u524d\u306b\u66f8\u3044\u3066\u3044\u308b\u306e\u306f\u3001\u3053\u306e\u4f4d\u7f6e\u3088\u308a\u524d\u306e\u8981\u7d20\u304c\u3059\u3079\u3066\u8aad\u307f\u8fbc\u307e\u308c\u3066\u304b\u3089\u5b9f\u884c\u30b9\u30af\u30ea\u30d7\u30c8\u304c\u5b9f\u884c\u3055\u308c\u308b\u69d8\u306b\u3059\u308b\u305f\u3081\u3067\u3059\u3002<\/p>\n
ready() \u306e\u5f15\u6570\u3068\u3057\u3066\u6e21\u3057\u3066\u3044\u308b function(){ …} \u304c\u3001\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u95a2\u6570\u3067\u3001\u8981\u7d20\u304c\u30ed\u30fc\u30c9\u3055\u308c\u305f\u30bf\u30a4\u30df\u30f3\u30b0\u3067\u5b9f\u884c\u3055\u308c\u307e\u3059\u3002<\/p>\n
\u30b7\u30e7\u30fc\u30c8\u30ab\u30c3\u30c8<\/h2>\n
\u4e0a\u8a18\u3001jQuery(document).ready(…)\u30e1\u30bd\u30c3\u30c9\u3092\u3001\u4ee5\u4e0b\u30b7\u30e7\u30fc\u30c8\u30ab\u30c3\u30c8\u306b\u66f8\u304d\u63db\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
ready \u304c\u3069\u3063\u304b\u3044\u3063\u3066\u3057\u307e\u3044\u307e\u3057\u305f\u3002\u3044\u304b\u306bready\u304c\u91cd\u8981\u304b\u3068\u3044\u3046\u3053\u3068\u304c\u9006\u306b\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n
jQuery(function(){\r\n alert('ready');\r\n});<\/pre>\n$<\/h2>\n
$ \u30b0\u30ed\u30fc\u30d0\u30eb\u30aa\u30d6\u30b8\u30a7\u30af\u30c8 \u306f\u3001jQuery \u306b\u7f6e\u304d\u63db\u3048\u3089\u308c\u307e\u3059\u3002\u3064\u307e\u308a\u3001$() \u306f\u3001jQuery() \u95a2\u6570\u306e\u30a8\u30a4\u30ea\u30a2\u30b9\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n
$(function(){\r\n alert('ready!');\r\n});<\/pre>\n\u3067\u3001\u3055\u3089\u306b\u4e0a\u8a18\u306e\u69d8\u306b\u66f8\u304d\u63db\u308f\u308a\u307e\u3059\u3002\u3053\u306e\u3088\u3046\u306a\u624b\u9806\u3092\u7d4c\u3066\u3053\u3046\u306a\u3063\u3066\u305f\u3093\u3067\u3059\u306d\u30fc<\/p>\n
$ \u306e\u7af6\u5408\u56de\u907f<\/h2>\n
\u305f\u3060\u3001jQuery\u3068\u3044\u3046\u540d\u79f0\u306f\u3001\u307e\u3041\uff4aQuery\u3057\u304b\u4f7f\u308f\u306a\u3044\u306f\u305a\u306e\u3067\u3001\u826f\u3044\u306e\u3067\u3059\u304c\u3001$ \u3092 jQuery \u306b\u7f6e\u304d\u63db\u3048\u3066\u3064\u304b\u3046\u3068\u306a\u308b\u3068\u3001\u4ed6\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u3068\u7af6\u5408\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u3053\u3067\u3001<\/p>\n
\n- \u533f\u540d\u95a2\u6570(\u95a2\u6570\u30ea\u30c6\u30e9\u30eb) \u3092\u4f5c\u6210 <\/li>\n
- \u305d\u306e\u95a2\u6570\u306e\u5f15\u6570\u3068\u3057\u3066jQuery \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u6e21\u3059 <\/li>\n
- jQuery \u3092 \u30d1\u30e9\u30e1\u30fc\u30bf $ \u3068\u3057\u3066\u53d7\u3051\u53d6\u308a\u3001\u305d\u308c\u3092\uff4aQuery\u3068\u3057\u3066\u5229\u7528\u3059\u308b <\/li>\n<\/ol>\n
\u3053\u3068\u3067$\u306e\u7af6\u5408\u3092\u56de\u907f\u3057\u307e\u3059\u3002<\/p>\n
\r\n(function($){ \/\/ $ \u3092\u5f15\u6570\u3068\u3057\u3066\u53d7\u3051\u53d6\u308b\u533f\u540d\u95a2\u6570\r\n\talert($('#txt').text()); \/\/ $ \u3092 jQuery \u3068\u3057\u3066\u5229\u7528\u3067\u304d\u308b\r\n})(jQuery) \/\/ \u533f\u540d\u95a2\u6570\u306b\u3001\u30d1\u30e9\u30e1\u30fc\u30bf\u3068\u3057\u3066 jQuery \u3092\u6e21\u3059\r\n<\/pre>\n\u306a\u305c\u3001\u4e0a\u8a18\u624b\u9806\u3067\u7af6\u5408\u304c\u56de\u907f\u3067\u304d\u308b\u306e\u304b\uff1f<\/h3>\n
JavaScript \u306b\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u95a2\u6570\u306e\u7a2e\u985e\u304c\u3042\u308a\u307e\u3059<\/p>\n
\n- \u5ba3\u8a00\u7684\u306a\u95a2\u6570 <\/li>\n
- \u7121\u540d\u95a2\u6570 <\/li>\n
- \u95a2\u6570\u30ea\u30c6\u30e9\u30eb(\u95a2\u6570\u5f0f) <\/li>\n<\/ol>\n
\u305d\u308c\u305e\u308c\u3001<\/p>\n
\u5ba3\u8a00\u7684\u306a\u95a2\u6570<\/h4>\n
\u6587\u3068\u95a2\u6570\u3092\u5ba3\u8a00\u3057\u3001function \u304b\u3089\u59cb\u307e\u308b\u3001\u901a\u5e38\u306e\u95a2\u6570\u3002\u89e3\u6790\u306f1\u56de\u306e\u307f\u3067\u3001\u9759\u7684\u306b\u540d\u524d\u304c\u3064\u3051\u3089\u308c\u307e\u3059\u3002<\/p>\n
function hello(name) {\r\n\talert('Hello!' + name);\r\n}\r\nhello('Hiroto');<\/pre>\n\u306a\u3058\u307f\u6df1\u3044\u3084\u3064\u3067\u3059\u3002<\/p>\n
\u7121\u540d\u95a2\u6570<\/h4>\n
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\u3053\u3093\u306a\u3084\u3064\u3067\u3059\u306d\u3002<\/p>\n
var hello = new Function(\"name\", \"alert('Hello!' + name)\");\r\nhello(\"Hiroto\");<\/pre>\n\u533f\u540d\u95a2\u6570(\u95a2\u6570\u30ea\u30c6\u30e9\u30eb)<\/h4>\n
\u5f0f\u306e\u4e00\u90e8\u3068\u3057\u3066\u6587\u306e\u4e2d\u3067\u3064\u304f\u3089\u308c\u308b\u95a2\u6570\u3067\u3001\u89e3\u6790\u3055\u308c\u308b\u306e\u306f\u4e00\u5ea6\u306e\u307f\u3001\u9759\u7684\u3067\u540d\u524d\u3092\u3064\u3051\u3089\u308c\u308b\u5834\u5408\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n
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var hello = function(name) {\r\n\talert('Hello!' + name);\r\n};\r\n\r\nhello('Hiroto');<\/pre>\n\u4e0a\u8a18\u4f8b\u3067\u306f\u3001\u5909\u6570\u306b\u4ee3\u5165\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u5f0f\u306e\u4e2d\u3067\u3082\u4f7f\u3048\u307e\u3059<\/p>\n
function test(p , f) {\r\n\talert(f(p));\r\n}\r\ntest('Hiroto', function(name){ alert('Hello!' + name); });<\/pre>\n\u3067\u3001\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u3001(function(p){…})(\u30d1\u30e9\u30e1\u30fc\u30bf) \u307f\u305f\u3044\u306b\u6e21\u3059\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002jQuery\u306e\u30d1\u30bf\u30fc\u30f3\u3067\u3059\u306d\u3002<\/p>\n
function test(f) {\r\n\talert(f());\r\n}\r\ntest((function(name){ alert('Hello!' + name); })('Hiroto'));<\/pre>\n\u3068\u3044\u3046\u3053\u3068\u3067\u3001\u533f\u540d\u95a2\u6570(\u95a2\u6570\u30ea\u30c6\u30e9\u30eb)\u306e\u4e2d\u306b\u3001\u30d1\u30e9\u30e1\u30fc\u30bf\u3068\u3057\u3066\u9589\u3058\u8fbc\u3081\u3089\u308c\u308b\u3068\u3001\u305d\u306e\u4e2d\u3067\u306e\u307f\u6709\u52b9\u306a\u540d\u524d\u3092\u4e0e\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u306e\u3067\u3001\u64ec\u4f3c\u7684\u306b\u540d\u524d\u7a7a\u9593\u3092\u69cb\u7bc9\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u305f\u308a\u3057\u307e\u3059\u3002<\/p>\n
jQuery \u3067\u306f\u591a\u7528\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u3001\u3053\u306e\u8fba\u308a\u306e\u7406\u5c48\u306f\u62bc\u3055\u3048\u3066\u304a\u3044\u305f\u65b9\u304c\u3088\u3055\u305d\u3046\u3067\u3059\u306d\u3002<\/p>\n
<\/p>\n
\u306a\u3093\u3066\u3053\u3068\u3092\u3001\u4e45\u3057\u3076\u308a\u306bjQuery\u3092\u3055\u308f\u308a\u3060\u305d\u3046\u3068\u3057\u305f\u306e\u3067\u5fa9\u7fd2\u304c\u3066\u3089\u3002\u4ee5\u4e0b\u306e\u66f8\u7c4d\u306a\u3069\u3092\u898b\u76f4\u3057\u3066\u30e1\u30e2\u3057\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n
<\/p>\n