{"id":1200,"date":"2011-10-23T01:08:38","date_gmt":"2011-10-22T16:08:38","guid":{"rendered":"http:\/\/codaholic.org\/?p=1200"},"modified":"2022-01-01T19:48:44","modified_gmt":"2022-01-01T10:48:44","slug":"javascript%e3%83%95%e3%82%a9%e3%83%bc%e3%83%a0%e3%81%ae%e9%80%81%e4%bf%a1%e3%82%92%e3%82%ad%e3%83%a3%e3%83%b3%e3%82%bb%e3%83%ab%e3%81%99%e3%82%8b","status":"publish","type":"post","link":"https:\/\/codaholic.org\/?p=1200","title":{"rendered":"[JavaScript] \u30d5\u30a9\u30fc\u30e0\u306e\u9001\u4fe1\u3092\u30ad\u30e3\u30f3\u30bb\u30eb\u3059\u308b"},"content":{"rendered":"<p>\u304a\u554f\u3044\u5408\u308f\u305b\u30d5\u30a9\u30fc\u30e0\u7b49\u306e\u30d5\u30a9\u30fc\u30e0\u306b\u3064\u3044\u3066\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u5165\u529b\u3057\u305f\u5185\u5bb9\u3092 JavaScript \u3067\u30c1\u30a7\u30c3\u30af\u3057\u3066\u304b\u3089\u9001\u4fe1\u3057\u305f\u3044\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u30c1\u30a7\u30c3\u30af\u3092\u884c\u3063\u305f\u7d50\u679c\u3001\u30a8\u30e9\u30fc\u304c\u898b\u3064\u304b\u308a\u30d5\u30a9\u30fc\u30e0\u306e\u9001\u4fe1\u3092\u4e2d\u65ad\u3057\u305f\u3044\u5834\u5408\u306e\u8a18\u8ff0\u65b9\u6cd5\u3067\u3059\u3002<\/p>\n<p><!--more--><\/p>\n<pre><code class=\"language-html\">&lt;html&gt;\n    &lt;head&gt;\n        &lt;meta charset=\"UTF-8\" \/&gt;\n        &lt;script type=\"text\/javascript\"&gt;\n            function validate(){\n                if(document.hoge.name.value == ''){\n                    alert('\u5165\u529b\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3002');\n                    return false;\n                }\n                return true;\n            }\n        &lt;\/script&gt;\n    &lt;\/head&gt;\n    &lt;body&gt;\n        &lt;form method=\"post\" action=\"send.php\" name=\"hoge\" onsubmit=\"return validate();\"&gt;\n            &lt;input type=\"text\" name=\"name\" \/&gt;&lt;input type=\"submit\" value=\"\u9001\u4fe1\" \/&gt;\n        &lt;\/form&gt;\n    &lt;\/body&gt;\n&lt;\/html&gt;\n<\/code><\/pre>\n<p><strong>5\u884c\u76ee<\/strong><br \/>\n\u9001\u4fe1\u30dc\u30bf\u30f3\u304c\u62bc\u3055\u308c\u305f\u3068\u304d\u306b\u5b9f\u884c\u3059\u308b\u95a2\u6570\u3092\u8a18\u8ff0\u3057\u307e\u3059\u3002\u9001\u4fe1\u3092\u4e2d\u65ad\u3059\u308b\u5834\u5408\u306f <code>false<\/code> \u3092\u8fd4\u5374\u3059\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002\u3053\u3053\u3067\u306f <code>name<\/code> \u3068\u3044\u3046\u540d\u524d\u3092\u4ed8\u3051\u3089\u308c\u305f\u30c6\u30ad\u30b9\u30c8\u30a8\u30ea\u30a2\u304c\u7a7a\u6b04\u3067\u3042\u3063\u305f\u5834\u5408\u3001alert \u3092\u8868\u793a\u3057\u3066 <code>false<\/code> \u3092\u8fd4\u5374\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><strong>15\u884c\u76ee<\/strong><br \/>\nform \u30bf\u30b0\u306e onsubmit \u5c5e\u6027\u306b\u3001\u5148\u307b\u3069\u5b9a\u7fa9\u3057\u305f\u95a2\u6570\u306e\u7d50\u679c\u3092\u8fd4\u5374\u3059\u308b\u3088\u3046\u306b JavaScript \u3092\u8a18\u8ff0\u3057\u307e\u3059\u3002return \u304c\u7121\u3044\u3068 validate \u95a2\u6570\u304c false \u3067\u3042\u3063\u3066\u3082\u9001\u4fe1\u304c\u4e2d\u65ad\u3055\u308c\u307e\u305b\u3093\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u304a\u554f\u3044\u5408\u308f\u305b\u30d5\u30a9\u30fc\u30e0\u7b49\u306e\u30d5\u30a9\u30fc\u30e0\u306b\u3064\u3044\u3066\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u5165\u529b\u3057\u305f\u5185\u5bb9\u3092 JavaScript \u3067\u30c1\u30a7\u30c3\u30af\u3057\u3066\u304b\u3089\u9001\u4fe1\u3057\u305f\u3044\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u30c1\u30a7\u30c3\u30af\u3092\u884c\u3063\u305f\u7d50\u679c\u3001\u30a8\u30e9\u30fc\u304c\u898b\u3064\u304b\u308a\u30d5\u30a9\u30fc\u30e0\u306e\u9001\u4fe1\u3092\u4e2d\u65ad\u3057\u305f\u3044\u5834\u5408\u306e\u8a18\u8ff0\u65b9\u6cd5\u3067\u3059\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","jetpack_publicize_message":"","jetpack_is_tweetstorm":false,"jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false}}},"categories":[7,5],"tags":[247,245],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p8gd1W-jm","_links":{"self":[{"href":"https:\/\/codaholic.org\/index.php?rest_route=\/wp\/v2\/posts\/1200"}],"collection":[{"href":"https:\/\/codaholic.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/codaholic.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/codaholic.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/codaholic.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1200"}],"version-history":[{"count":7,"href":"https:\/\/codaholic.org\/index.php?rest_route=\/wp\/v2\/posts\/1200\/revisions"}],"predecessor-version":[{"id":2607,"href":"https:\/\/codaholic.org\/index.php?rest_route=\/wp\/v2\/posts\/1200\/revisions\/2607"}],"wp:attachment":[{"href":"https:\/\/codaholic.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1200"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/codaholic.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1200"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/codaholic.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1200"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}