{"id":4819,"date":"2016-02-27T23:50:26","date_gmt":"2016-02-27T15:50:26","guid":{"rendered":"https:\/\/sdeno.com\/?p=4819"},"modified":"2017-01-15T15:00:47","modified_gmt":"2017-01-15T07:00:47","slug":"input%e7%9b%91%e5%90%ac","status":"publish","type":"post","link":"https:\/\/sdeno.com\/?p=4819","title":{"rendered":"input\u76d1\u542c"},"content":{"rendered":"<p>js jquery \u76d1\u542c input \u8f93\u5165 \u89e6\u53d1<\/p>\n<p>&nbsp;<\/p>\n<p>\u4e00\u4e2a\u5c0f\u9700\u6c42\uff0c\u76d1\u63a7input\u7684\u503c\u53d8\u5316\uff0c\u4e00\u65e6input\u503c\u6709\u53d8\u5316\u5c31\u5904\u7f5a\u4e8b\u4ef6\u7684\u529f\u80fd\uff0c\u67e5\u9605\u6587\u6863\uff0c\u53d1\u73b0\u5f88\u4e0d\u65b9\u4fbf\u3002<br \/>\n\u4e00\u5806\u4e8b\u4ef6\u5982\uff0conpropertychange, input, keyup, paste, change, blur,\u53c8\u4e0d\u80fd\u540c\u65f6\u76d1\u542c\u8fd9\u4e9b\u4e8b\u4ef6\uff0c\u56e0\u4e3a\u5f53\u8f93\u5165\u4e00\u4e2a\u503c\u65f6\uff0c\u53ef\u80fd\u540c\u65f6\u51fa\u53d1\u591a\u4e2a\uff0c\u8fd9\u6837\u4f1a\u9020\u6210\u591a\u6b21\u4e1a\u52a1\u903b\u8f91\u7684\u6267\u884c\u3002<\/p>\n<p>\u60f3\u7740\u80fd\u4e0d\u80fd\u4e00\u79cd\u7b80\u5355\u6709\u7528\u7684\u529e\u6cd5\uff0c\u53c8\u89e3\u51b3\u8de8\u6d4f\u89c8\u5668\u3002\u60f3\u5230\u53ea\u76d1\u542ckeyup\uff0c\u548cpaste\u4e8b\u4ef6\uff0c\u540c\u65f6\u8fc7\u6ee4\u6389\u65e0\u6548\u7684\u4e0d\u6539\u53d8\u503c\u7684keyup\u3002\u600e\u4e48\u5224\u65ad\u65e0\u6548\u5462\uff1f\u5f88\u81ea\u7136\u7684\u4e00\u4e2a\u529e\u6cd5\u5c31\u662f\u5728dom\u4e2d\u7f13\u5b58\u539f\u5148\u7684\u503c\u7136\u540e\u505a\u5bf9\u6bd4\u3002\u6309\u7167\u8fd9\u4e2a\u601d\u8def\u5c01\u88c5\u4e00\u4e2ajquery\u7684\u63d2\u4ef6\uff0c\u81f4\u656cangularjs\u3002<\/p>\n<ol class=\"dp-c\" style=\"color: #2b91af;\" start=\"1\">\n<li><span style=\"color: black;\"><span style=\"color: black;\">(<\/span><span class=\"keyword\" style=\"font-weight: bold; color: #7f0055;\">function<\/span><span style=\"color: black;\">($)\u00a0{\u00a0\u00a0<\/span><\/span><\/li>\n<li><span style=\"color: black;\">\u00a0\u00a0\u00a0\u00a0$.fn.watch\u00a0=\u00a0<span class=\"keyword\" style=\"font-weight: bold; color: #7f0055;\">function<\/span><span style=\"color: black;\">(callback)\u00a0{\u00a0\u00a0<\/span><\/span><\/li>\n<li><span style=\"color: black;\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span class=\"keyword\" style=\"font-weight: bold; color: #7f0055;\">return<\/span><span style=\"color: black;\">\u00a0<\/span><span class=\"keyword\" style=\"font-weight: bold; color: #7f0055;\">this<\/span><span style=\"color: black;\">.each(<\/span><span class=\"keyword\" style=\"font-weight: bold; color: #7f0055;\">function<\/span><span style=\"color: black;\">()\u00a0{\u00a0\u00a0<\/span><\/span><\/li>\n<li><span style=\"color: black;\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span class=\"comment\" style=\"color: #008200;\">\/\/\u7f13\u5b58\u4ee5\u524d\u7684\u503c<\/span><span style=\"color: black;\">\u00a0\u00a0<\/span><\/span><\/li>\n<li><span style=\"color: black;\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0$.data(<span class=\"keyword\" style=\"font-weight: bold; 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color: #7f0055;\">function<\/span><span style=\"color: black;\">()\u00a0{\u00a0\u00a0<\/span><\/span><\/li>\n<li><span style=\"color: black;\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span class=\"keyword\" style=\"font-weight: bold; color: #7f0055;\">var<\/span><span style=\"color: black;\">\u00a0originVal\u00a0=\u00a0$(<\/span><span class=\"keyword\" style=\"font-weight: bold; color: #7f0055;\">this<\/span><span style=\"color: black;\">,\u00a0<\/span><span class=\"string\" style=\"color: blue;\">&#8216;originVal&#8217;<\/span><span style=\"color: black;\">);\u00a0\u00a0<\/span><\/span><\/li>\n<li><span style=\"color: black;\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span class=\"keyword\" style=\"font-weight: bold; color: #7f0055;\">var<\/span><span style=\"color: black;\">\u00a0currentVal\u00a0=\u00a0$(<\/span><span class=\"keyword\" style=\"font-weight: bold; color: #7f0055;\">this<\/span><span style=\"color: black;\">).val();\u00a0\u00a0<\/span><\/span><\/li>\n<li><span style=\"color: black;\">\u00a0\u00a0<\/span><\/li>\n<li><span style=\"color: black;\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<span class=\"keyword\" style=\"font-weight: bold; color: #7f0055;\">if<\/span><span style=\"color: black;\">\u00a0(originVal\u00a0!==\u00a0currentVal)\u00a0{\u00a0\u00a0<\/span><\/span><\/li>\n<li><span style=\"color: black;\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0$.data(<span class=\"keyword\" style=\"font-weight: bold; color: #7f0055;\">this<\/span><span style=\"color: black;\">,\u00a0<\/span><span class=\"string\" style=\"color: blue;\">&#8216;originVal&#8217;<\/span><span style=\"color: black;\">,\u00a0$(<\/span><span class=\"keyword\" style=\"font-weight: bold; color: #7f0055;\">this<\/span><span style=\"color: black;\">).val());\u00a0\u00a0<\/span><\/span><\/li>\n<li><span style=\"color: black;\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0callback(currentVal);\u00a0\u00a0<\/span><\/li>\n<li><span style=\"color: black;\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}\u00a0\u00a0<\/span><\/li>\n<li><span style=\"color: black;\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0});\u00a0\u00a0<\/span><\/li>\n<li><span style=\"color: black;\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0});\u00a0\u00a0<\/span><\/li>\n<li><span style=\"color: black;\">\u00a0\u00a0\u00a0\u00a0}\u00a0\u00a0<\/span><\/li>\n<li><span style=\"color: black;\">})(jQuery);\u00a0\u00a0<\/span><\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<p>\u8c03\u7528\uff1a<\/p>\n<ol class=\"dp-c\" style=\"color: #2b91af;\" start=\"1\">\n<li><span style=\"color: black;\"><span style=\"color: black;\">$(<\/span><span class=\"string\" style=\"color: blue;\">&#8220;input:text&#8221;<\/span><span style=\"color: black;\">).watch(<\/span><span class=\"keyword\" style=\"font-weight: bold; color: #7f0055;\">function<\/span><span style=\"color: black;\">(value)\u00a0{\u00a0\u00a0<\/span><\/span><\/li>\n<li><span style=\"color: black;\">\u00a0\u00a0console.log(value);\u00a0\u00a0<\/span><\/li>\n<li><span style=\"color: black;\">});\u00a0\u00a0<\/span><\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<p>\u4e00\u4e9b\u611f\u609f\uff0c\u5b66\u4e60\u4e0d\u80fd\u4ec5\u4ec5\u6d6e\u8e81\u4e0e\u8868\u9762\uff0c\u66f4\u52a0\u6ce8\u91cd\u57fa\u7840\u77e5\u8bc6\u7684\u79ef\u7d2f\u3002\u624e\u5b9e\u7684\u57fa\u7840\uff0c\u5f88\u591a\u65f6\u5019\u4e8b\u60c5\u5c31\u4f1a\u53d8\u5f97\u7b80\u5355\u3002<\/p>\n<p>\u6700\u8fd1\u5728\u770bclojure\uff0c\u975e\u5e38\u4e0d\u9519\u7684\u4e00\u95e8\u4f18\u96c5\u7684\u8bed\u8a00\u3002fp\u786e\u5b9e\u5f88\u68d2\uff0c\u4e00\u95e8\u8bed\u8a00\u4e0d\u4ec5\u4ec5\u662f\u8bed\u8a00\u66f4\u91cd\u8981\u7684\u662f\u5bf9\u601d\u7ef4\u7684\u542f\u53d1\uff0c\u5bf9\u89e3\u51b3\u95ee\u9898\u601d\u8def\u7684\u542f\u53d1\u3002\u4e86\u89e3clojure\u66f4\u52a0\u9002\u5b9cjquery\u7684\u4e00\u4e9b\u7279\u6027\uff0c\u6bd4\u5982\u5f3a\u5927\u7684\u9009\u62e9\u5668\u3002\u4ee5\u524d\u4e0d\u660e\u767d\u4e3a\u4ec0\u4e48jquery\u8981\u8fd9\u6837\uff0c\u6bd4\u5982\uff0cfirst\uff0clast\uff0c:nth(), not(), filter, $.map, $.grep, $.each, \u8fd9\u90fd\u662ffp\u7684\u7279\u6027\u554a\u3002underscore\u66f4\u662f\u5f3a\u5316\u5230\u6781\u9650\u3002<\/p>\n<p><a href=\"http:\/\/bee1314.iteye.com\/blog\/2067556\" target=\"_blank\">http:\/\/bee1314.iteye.com\/blog\/2067556<\/a><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>jquery\u81ea\u5e26\u76d1\u542c\u4e8b\u4ef6\uff0c\u53ef\u4ee5\u517c\u5bb9IE7\u4ee5\u4e0a\u6d4f\u89c8\u5668<\/p>\n<pre>$('.tx').bind('<span style=\"color: #ff0000;\">input propertychange<\/span>', function() {    \r\n    document.title=$(this).val();\r\n});<\/pre>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>js jquery \u76d1\u542c input \u8f93\u5165 \u89e6\u53d1 &nbsp; 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