{"id":3024,"date":"2016-01-20T11:08:05","date_gmt":"2016-01-20T03:08:05","guid":{"rendered":"https:\/\/www.ecjtu.com\/keith\/archives\/3024"},"modified":"2016-01-20T11:10:19","modified_gmt":"2016-01-20T03:10:19","slug":"jquery%e7%9a%84extend%e5%92%8cfn-extend%e6%96%b9%e6%b3%95%e7%9a%84%e5%8c%ba%e5%88%ab","status":"publish","type":"post","link":"https:\/\/www.ecjtu.com\/keith\/archives\/3024","title":{"rendered":"jquery\u7684extend\u548cfn.extend\u65b9\u6cd5\u7684\u533a\u522b"},"content":{"rendered":"<p>jQuery\u4e3a\u5f00\u53d1\u63d2\u4ef6\u63d0\u62f1\u4e86\u4e24\u4e2a\u65b9\u6cd5\uff0c\u5206\u522b\u662f\uff1a<\/p>\n<p>jQuery.fn.extend(object);<\/p>\n<p>jQuery.extend(object);<\/p>\n<p>&nbsp;<\/p>\n<p><strong>jQuery.extend(object); \u4e3a\u6269\u5c55jQuery\u7c7b\u672c\u8eab.\u4e3a\u7c7b\u6dfb\u52a0\u65b0\u7684\u65b9\u6cd5\u3002<\/strong><\/p>\n<p><strong>jQuery.fn.extend(object);\u7ed9jQuery\u5bf9\u8c61\u6dfb\u52a0\u65b9\u6cd5\u3002<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p>fn \u662f\u4ec0\u4e48\u4e1c\u897f\u5462\u3002\u67e5\u770bjQuery\u4ee3\u7801\uff0c\u5c31\u4e0d\u96be\u53d1\u73b0\u3002<\/p>\n<p>&nbsp;<\/p>\n<pre class=\"lang:js decode:true\">jQuery.fn = jQuery.prototype = {\r\n\r\n\u3000\u3000\u3000init: function( selector, context ) {\/\/....\u3000\r\n\r\n\u3000\u3000\u3000\/\/......\r\n\r\n};\r\n<\/pre>\n<p>\u539f\u6765 jQuery.fn = jQuery.prototype.\u5bf9prototype\u80af\u5b9a\u4e0d\u4f1a\u964c\u751f\u5566\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u867d\u7136 javascript\u3000\u6ca1\u6709\u660e\u786e\u7684\u7c7b\u7684\u6982\u5ff5\uff0c\u4f46\u662f\u7528\u7c7b\u6765\u7406\u89e3\u5b83\uff0c\u4f1a\u66f4\u65b9\u4fbf\u3002<\/p>\n<p>jQuery\u4fbf\u662f\u4e00\u4e2a\u5c01\u88c5\u5f97\u975e\u5e38\u597d\u7684\u7c7b\uff0c\u6bd4\u5982\u6211\u4eec\u7528 \u8bed\u53e5\u3000$(&#8220;#btn1&#8221;) \u4f1a\u751f\u6210\u4e00\u4e2a jQuery\u7c7b\u7684\u5b9e\u4f8b\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>jQuery.extend(object);\u3000\u4e3ajQuery\u7c7b\u6dfb\u52a0\u6dfb\u52a0\u7c7b\u65b9\u6cd5\uff0c\u53ef\u4ee5\u7406\u89e3\u4e3a\u6dfb\u52a0\u9759\u6001\u65b9\u6cd5\u3002\u5982\uff1a<\/p>\n<pre class=\"lang:js decode:true \">$.extend({\r\n\u3000\u3000add:function(a,b){return a+b;}\r\n});<\/pre>\n<p>&nbsp;<\/p>\n<p>\u4fbf\u4e3a\u3000jQuery\u3000\u6dfb\u52a0\u4e00\u4e2a\u4e3a add\u3000\u7684\u3000\u201c\u9759\u6001\u65b9\u6cd5\u201d\uff0c\u4e4b\u540e\u4fbf\u53ef\u4ee5\u5728\u5f15\u5165 jQuery\u3000\u7684\u5730\u65b9\uff0c\u4f7f\u7528\u8fd9\u4e2a\u65b9\u6cd5\u4e86\uff0c<\/p>\n<p>$.add(3,4);\u00a0 \/\/return 7<\/p>\n<p>&nbsp;<\/p>\n<p>jQuery.fn.extend(object); \u5bf9jQuery.prototype\u8fdb\u5f97\u6269\u5c55\uff0c\u5c31\u662f\u4e3ajQuery\u7c7b\u6dfb\u52a0\u201c\u6210\u5458\u51fd\u6570\u201d\u3002jQuery\u7c7b\u7684\u5b9e\u4f8b\u53ef\u4ee5\u4f7f\u7528\u8fd9\u4e2a\u201c\u6210\u5458\u51fd\u6570\u201d\u3002<\/p>\n<p>\u6bd4\u5982\u6211\u4eec\u8981\u5f00\u53d1\u4e00\u4e2a\u63d2\u4ef6\uff0c\u505a\u4e00\u4e2a\u7279\u6b8a\u7684\u7f16\u8f91\u6846\uff0c\u5f53\u5b83\u88ab\u70b9\u51fb\u65f6\uff0c\u4fbfalert \u5f53\u524d\u7f16\u8f91\u6846\u91cc\u7684\u5185\u5bb9\u3002\u53ef\u4ee5\u8fd9\u4e48\u505a\uff1a<\/p>\n<p>&nbsp;<\/p>\n<pre class=\"lang:js decode:true\">$.fn.extend({        \r\n   alertWhileClick:function(){       \r\n       $(this).click(function(){       \r\n            alert($(this).val());    \r\n        });        \r\n    }    \r\n});    \r\n    \r\n$(\"#input1\").alertWhileClick(); \/\/\u9875\u9762\u4e0a\u4e3a\uff1a&lt;input id=\"input1\" type=\"text\"\/&gt;<\/pre>\n<p>$(&#8220;#input1&#8221;)\u3000\u4e3a\u4e00\u4e2ajQuery\u5b9e\u4f8b\uff0c\u5f53\u5b83\u8c03\u7528\u6210\u5458\u65b9\u6cd5 alertWhileClick\u540e\uff0c\u4fbf\u5b9e\u73b0\u4e86\u6269\u5c55\uff0c\u6bcf\u6b21\u88ab\u70b9\u51fb\u65f6\u5b83\u4f1a\u5148\u5f39\u51fa\u76ee\u524d\u7f16\u8f91\u91cc\u7684\u5185\u5bb9\u3002<\/p>\n<p>\u771f\u5b9e\u7684\u5f00\u53d1\u8fc7\u7a0b\u4e2d\uff0c\u5f53\u7136\u4e0d\u4f1a\u505a\u8fd9\u4e48\u5c0f\u767d\u7684\u63d2\u4ef6\uff0c\u4e8b\u5b9e\u4e0ajQuery\u63d0\u62f1\u4e86\u4e30\u5bcc\u7684\u64cd\u4f5c\u6587\u6863\uff0c\u4e8b\u4ef6\uff0cCSS ,Ajax\u3001\u6548\u679c\u7684\u65b9\u6cd5\uff0c\u7ed3\u5408\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u4fbf\u53ef\u4ee5\u5f00\u53d1\u51fa\u66f4\u52a0 Niubility \u7684\u63d2\u4ef6\u3002<\/p>\n<p>\u4f5c\u8005\uff1a\u4e8e\u4e3a\u6e90 \u51fa\u5904\uff1a<a href=\"http:\/\/www.cnblogs.com\/yuanyuan\/archive\/2011\/02\/23\/1963287.html\" target=\"_blank\">http:\/\/www.cnblogs.com\/yuanyuan\/archive\/2011\/02\/23\/1963287.html<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>jQuery.extend(object); \u4e3a\u6269\u5c55jQuery\u7c7b\u672c\u8eab.\u4e3a\u7c7b\u6dfb\u52a0\u65b0\u7684\u65b9\u6cd5\u3002<br \/>\njQuery.fn.extend(object);\u7ed9jQuery\u5bf9\u8c61\u6dfb\u52a0\u65b9\u6cd5\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[66],"tags":[931,932,923],"_links":{"self":[{"href":"https:\/\/www.ecjtu.com\/keith\/wp-json\/wp\/v2\/posts\/3024"}],"collection":[{"href":"https:\/\/www.ecjtu.com\/keith\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ecjtu.com\/keith\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ecjtu.com\/keith\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ecjtu.com\/keith\/wp-json\/wp\/v2\/comments?post=3024"}],"version-history":[{"count":2,"href":"https:\/\/www.ecjtu.com\/keith\/wp-json\/wp\/v2\/posts\/3024\/revisions"}],"predecessor-version":[{"id":3026,"href":"https:\/\/www.ecjtu.com\/keith\/wp-json\/wp\/v2\/posts\/3024\/revisions\/3026"}],"wp:attachment":[{"href":"https:\/\/www.ecjtu.com\/keith\/wp-json\/wp\/v2\/media?parent=3024"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ecjtu.com\/keith\/wp-json\/wp\/v2\/categories?post=3024"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ecjtu.com\/keith\/wp-json\/wp\/v2\/tags?post=3024"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}