{"id":513,"date":"2018-03-08T10:09:53","date_gmt":"2018-03-08T02:09:53","guid":{"rendered":"http:\/\/hahacool.com\/?p=513"},"modified":"2018-03-08T21:24:46","modified_gmt":"2018-03-08T13:24:46","slug":"jquery%e4%b8%ad%e7%9a%84%e7%bb%91%e5%ae%9a%e5%87%bd%e6%95%b0","status":"publish","type":"post","link":"https:\/\/hahacool.com\/?p=513","title":{"rendered":"jQuery\u4e2d\u7684\u7ed1\u5b9a\u51fd\u6570"},"content":{"rendered":"

jQuery\u4e2d\u7684\u7ed1\u5b9a\u51fd\u6570<\/strong><\/p>\n

(1).bind()\u4e3a\u6bcf\u4e2a\u5339\u914d\u5143\u7d20\u7684\u7279\u5b9a\u4e8b\u4ef6\u7ed1\u5b9a\u4e8b\u4ef6\u5904\u7406\u51fd\u6570<\/p>\n

\r\n$(\"#niu\").bind('click',function(){\r\nalert(\"hello niuniu\");\r\n});\r\n<\/code><\/pre>\n
\u6b64\u4ee3\u7801\u628aid\u4e3aniu\u7684\u5143\u7d20\u54cd\u5e94\u4e8b\u4ef6click\uff0c\u5e76\u663e\u793a\u8b66\u62a5\u3002\u4f7f\u7528bind\u7ed1\u5b9a\u591a\u4e2a\u4e8b\u4ef6\u65f6\uff0c\u53ef\u4ee5\u8fd9\u6837
\n[code]
\n$(“#niu”).bind(‘mouseenter mouseleava’,function(){
\n$(this).css(“background”,”yellow”);
\n});
\n$(“#foo”).bind({
\nclick:function(){
\n},
\nmouseenter:function(){
\n}
\n});
\n[\/code]
\n(2).delegate()\u6307\u5b9a\u7684\u5143\u7d20\uff08\u5c5e\u4e8e\u88ab\u9009\u5143\u7d20\u7684\u5b50\u5143\u7d20\uff09\u6dfb\u52a0\u4e00\u4e2a\u6216\u591a\u4e2a\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\uff0c\u5e76\u89c4\u5b9a\u5f53\u8fd9\u4e9b\u4e8b\u4ef6\u53d1\u751f\u65f6\u8fd0\u884c\u7684\u51fd\u6570
\n[code]
\n$(“table”).delegate(“td”,”click”,function(){
\n$(this).toggleClass(“chosen”);
\n});
\n[\/code]
\n(3).on\u5728\u9009\u62e9\u5143\u7d20\u4e0a\u7ed1\u5b9a\u4e00\u4e2a\u6216\u591a\u4e2a\u4e8b\u4ef6\u7684\u4e8b\u4ef6\u5904\u7406\u51fd\u6570
\n[code]
\nfunction greet(event) { alert(“Hello”+event.data.name); }
\n$(“button”).on(“click”, { name: “Karl” }, greet);
\n$(“button”).on(“click”, { name: “Addy” }, greet);
\n[\/code]
\n(4).live\u7ed9\u6240\u6709\u5339\u914d\u7684\u5143\u7d20\u9644\u52a0\u4e00\u4e2a\u4e8b\u4ef6\u5904\u7406\u51fd\u6570\uff0c\u5373\u4f7f\u8fd9\u4e2a\u5143\u7d20\u662f\u4ee5\u540e\u518d\u6dfb\u52a0\u8fdb\u6765\u7684
\n[code]
\n$(“a”).live(“click”, function() { return false; })
\n[\/code]
\non()\u5219\u662f\u6700\u65b0\u76841.9\u7248\u672c\u6574\u5408\u4e86\u4e4b\u524d\u7684\u4e09\u79cd\u65b9\u5f0f\u7684\u65b0\u4e8b\u4ef6\u7ed1\u5b9a\u673a\u5236\u3002.bind(), .live(), .delegate()\u90fd\u662f\u901a\u8fc7.on()\u6765\u5b9e\u73b0\u7684\uff0c.unbind(), .die(), .undelegate(),\u4e5f\u662f\u4e00\u6837\u7684\u90fd\u662f\u901a\u8fc7.off()\u6765\u5b9e\u73b0\u7684\u3002<\/p>\n
\u4ee5\u4e0a\u662f\u5e38\u7528\u7684\u7ed1\u5b9a\u51fd\u6570\u3002<\/p>\n
\u6280\u672f\u6587\u6863\u5f15\u7528\uff1a<\/p>\n
\u81ea\u4ece.live()\u65b9\u6cd5\u5904\u7406\u4e8b\u4ef6\u4e00\u65e6\u4f20\u64ad\u5230\u6587\u6863\u7684\u9876\u90e8\uff0clive\u4e8b\u4ef6\u662f\u4e0d\u53ef\u80fd\u505c\u6b62\u4f20\u64ad\u7684\u3002\u540c\u6837\u5730\uff0c.delegate() \u4e8b\u4ef6\u5c06\u59cb\u7ec8\u4f20\u64ad\u7ed9\u5176\u4e2d\u5305\u542b\u7684\u88ab\u59d4\u6258\u5143\u7d20\uff1b\u540c\u65f6\uff0c\u4efb\u4f55\u5728 DOM \u6811\u4e2d\uff0c\u6bd4\u8fd9\u4e9b\u5143\u7d20\u4f4e\u7684\u5143\u7d20\u4e0a\u7ed1\u5b9a\u7684\u76f8\u540c\u4e8b\u4ef6\uff0c\u5728 .delegate() \u4e8b\u4ef6\u88ab\u8c03\u7528\u7684\u65f6\u5019\uff0c\u4e5f\u4f1a\u88ab\u89e6\u53d1\u3002\u56e0\u6b64\uff0c\u5982\u679c\u8981\u5728\u4e8b\u4ef6\u4e2d\u963b\u6b62\u59d4\u6258\u4e8b\u4ef6\u88ab\u89e6\u53d1\uff0c\u53ef\u4ee5\u8c03\u7528event.stopPropagation()\u6216\u8005\u8fd4\u56defalse\u9632\u6b62\u59d4\u6d3e\u5904\u7406\u7a0b\u5e8f\u5192\u6ce1\u3002
\n\u7b80\u5355\u6765\u8bf4\uff0c.bind()\u662f\u76f4\u63a5\u7ed1\u5b9a\u5728\u5143\u7d20\u4e0a\uff0c\u800c.live()\u548c.delegate()\u5219\u662f\u901a\u8fc7\u5192\u6ce1\u7684\u65b9\u5f0f\u6765\u7ed1\u5b9a\u5230\u5143\u7d20\u4e0a\u7684\u3002.bind()\u65b9\u6cd5\u53ea\u80fd\u7ed9\u5f53\u524d\u5b58\u5728\u7684\u5143\u7d20\u7ed1\u5b9a\u4e8b\u4ef6\uff0c\u5bf9\u4e8e\u4e8b\u540e\u91c7\u7528JS\u65b9\u5f0f\u65b0\u751f\u6210\u7684\u5143\u7d20\u65e0\u6548\uff0c\u800clive\u65b9\u6cd5\u53ef\u4ee5\u5bf9\u540e\u751f\u6210\u7684\u5143\u7d20\u4e5f\u53ef\u4ee5\u7ed1\u5b9a\u76f8\u5e94\u7684\u4e8b\u4ef6\u3002<\/p>\n
\u603b\u4e4b\u4ee5\u540e\u90fd\u7528on\u5427<\/p>\n
\u53c2\u8003\uff1a
\nhttps:\/\/www.jianshu.com\/p\/fafe77736ef7<\/a>
\nhttps:\/\/www.cnblogs.com\/chenlogin\/p\/5105710.html<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
jQuery\u4e2d\u7684\u7ed1\u5b9a\u51fd\u6570 (1).bind()\u4e3a\u6bcf\u4e2a\u5339\u914d\u5143\u7d20\u7684\u7279\u5b9a\u4e8b\u4ef6\u7ed1\u5b9a\u4e8b\u4ef6\u5904\u7406\u51fd\u6570 $(“#niu”).b […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[166],"tags":[281],"class_list":["post-513","post","type-post","status-publish","format-standard","hentry","category-it","tag-jquery"],"views":1180,"_links":{"self":[{"href":"https:\/\/hahacool.com\/index.php?rest_route=\/wp\/v2\/posts\/513"}],"collection":[{"href":"https:\/\/hahacool.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hahacool.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hahacool.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hahacool.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=513"}],"version-history":[{"count":0,"href":"https:\/\/hahacool.com\/index.php?rest_route=\/wp\/v2\/posts\/513\/revisions"}],"wp:attachment":[{"href":"https:\/\/hahacool.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=513"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hahacool.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=513"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hahacool.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=513"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}