{"id":849,"date":"2011-11-18T12:34:24","date_gmt":"2011-11-18T04:34:24","guid":{"rendered":"http:\/\/feizhaojun.com\/?p=849"},"modified":"2017-04-14T18:09:40","modified_gmt":"2017-04-14T10:09:40","slug":"5%e4%b8%aa%e5%b8%b8%e7%94%a8jquery%e4%bb%a3%e7%a0%81%e7%89%87%e6%ae%b5","status":"publish","type":"post","link":"https:\/\/feizhaojun.com\/?p=849","title":{"rendered":"5\u4e2a\u5e38\u7528jQuery\u4ee3\u7801\u7247\u6bb5"},"content":{"rendered":"

\u539f\u6587\u94fe\u63a5\uff1ahttp:\/\/feizhaojun.com\/doc-archive\/5\u4e2a\u5e38\u7528jQuery\u4ee3\u7801\u7247\u6bb5.html<\/a><\/p>\n

\n

jQuery\u662f\u4e00\u6b3e\u4f18\u79c0\u7684js\u6846\u67b6\uff0c\u4e0b\u9762\u5217\u4e3e5\u4e2a\u5e38\u7528\u7684\u4ee3\u7801\u7247\u6bb5\u3002<\/p>\n

    \n
  1. \n\u7981\u6b62\u53f3\u952e<\/p>\n
    $(<\/span>document)<\/span>.ready<\/span>(<\/span>function<\/span>(<\/span>)<\/span>{<\/span>\r\n$(<\/span>document)<\/span>.bind<\/span>(<\/span>\"contextmenu\"<\/span>,<\/span>function<\/span>(<\/span>e)<\/span>{<\/span>\r\nreturn<\/span> false<\/span>;<\/span>\r\n}<\/span>)<\/span>;<\/span>\r\n}<\/span>)<\/span>;<\/span>\r\n<\/pre>\n<\/li>\n
  2. \n\u7528jQuery\u5b9e\u73b0Flash\u6548\u679c<\/p>\n
    jQuery.fn<\/span>.flash<\/span> =<\/span> function<\/span>(<\/span> color,<\/span> duration )<\/span>\r\n{<\/span>\r\nvar<\/span> current =<\/span> this<\/span>.css<\/span>(<\/span> 'color'<\/span> )<\/span>;<\/span>\r\nthis<\/span>.animate<\/span>(<\/span> {<\/span> color:<\/span> 'rgb('<\/span> +<\/span> color +<\/span> ')'<\/span> }<\/span>,<\/span> duration \/<\/span> 2<\/span> )<\/span>;<\/span>\r\nthis<\/span>.animate<\/span>(<\/span> {<\/span> color:<\/span> current }<\/span>,<\/span> duration \/<\/span> 2<\/span> )<\/span>;<\/span>\r\n}<\/span>\r\n$(<\/span> '#someid'<\/span> )<\/span>.flash<\/span>(<\/span> '255,0,0'<\/span>,<\/span> 1000<\/span> )<\/span>;<\/span>\/\/#someid\u662f\u5143\u7d20\u7684id\u53f7<\/span>\r\n<\/pre>\n<\/li>\n
  3. \n\u7f51\u9875\u8f7d\u5165\u5b8c\u6210\u65f6\u8fd0\u884c<\/p>\n
    $(<\/span>function<\/span>(<\/span>)<\/span>{<\/span>\r\n\/\/\u7f51\u9875\u8f7d\u5165\u5b8c\u6210\u65f6\u7684\u7a0b\u5e8f<\/span>\r\n}<\/span>)<\/span>;<\/span><\/pre>\n<\/li>\n
  4. \njQuery\u5224\u65ad\u6d4f\u89c8\u5668<\/p>\n
    \/\/\u5982\u679c\u662f\u706b\u72d0<\/span>\r\nif<\/span>(<\/span> $.browser<\/span>.mozilla<\/span> )<\/span>\r\n{<\/span>\r\n\/\/do something<\/span>\r\n}<\/span>\r\n\/\/\u5982\u679c\u662fsafari<\/span>\r\nif<\/span>(<\/span> $.browser<\/span>.safari<\/span> )<\/span>\r\n{<\/span>\r\n\/\/do something<\/span>\r\n}<\/span>\r\n\/\/\u5982\u679c\u662f\u8c37\u6b4cchrome<\/span>\r\n if<\/span>(<\/span> $.browser<\/span>.chrome<\/span> )<\/span>\r\n{<\/span>\r\n\/\/do something<\/span>\r\n}<\/span>\r\n\/\/\u5982\u679c\u662fopera\u6d4f\u89c8\u5668<\/span>\r\nif<\/span>(<\/span> $.browser<\/span>.opera<\/span> )<\/span>\r\n{<\/span>\r\n\/\/do something<\/span>\r\n}<\/span>\r\n\/\/\u5982\u679c\u662fIE6\u4ee5\u4e0a\u7248\u672c\uff0c\u5373IE7\u3001IE8...<\/span>\r\nif<\/span> (<\/span>$.browser<\/span>.msie<\/span> &&<\/span> $.browser<\/span>.version<\/span> ><\/span> 6<\/span> )<\/span>\r\n{<\/span>\r\n\/\/do something<\/span>\r\n}<\/span>\r\n\/\/ \u5982\u679c\u662fIE6\u6216\u8005\u66f4\u4f4e\u7248\u672c<\/span>\r\nif<\/span> (<\/span>$.browser<\/span>.msie<\/span> &&<\/span> $.browser<\/span>.version<\/span> <=<\/span> 6<\/span> )<\/span>  \r\n{<\/span> \r\n\/\/do something <\/span>\r\n}<\/span>\r\n<\/pre>\n<\/li>\n
  5. \n\u5224\u65ad\u5143\u7d20\u662f\u5426\u5b58\u5728<\/p>\n
    if<\/span> (<\/span>$(<\/span>\"#someDiv\"<\/span>)<\/span>.length<\/span>)<\/span> {<\/span>\r\n\/\/\u5982\u679c\u5b58\u5728id\u4e3asomeDiv\u7684\u5143\u7d20\uff0c\u5219...<\/span>\r\n}<\/span>\r\n<\/pre>\n<\/li>\n<\/ol>\n<\/div>\n","protected":false},"excerpt":{"rendered":"
    \u539f\u6587\u94fe\u63a5\uff1ahttp:\/\/feizhaojun.com\/doc-archive\/5\u4e2a\u5e38\u7528jQuery\u4ee3\u7801\u7247\u6bb5.html j…<\/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_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[3,24,5],"tags":[],"class_list":["post-849","post","type-post","status-publish","format-standard","hentry","category-fe","category-jquery","category-javascript"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/feizhaojun.com\/index.php?rest_route=\/wp\/v2\/posts\/849","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/feizhaojun.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/feizhaojun.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/feizhaojun.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/feizhaojun.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=849"}],"version-history":[{"count":2,"href":"https:\/\/feizhaojun.com\/index.php?rest_route=\/wp\/v2\/posts\/849\/revisions"}],"predecessor-version":[{"id":851,"href":"https:\/\/feizhaojun.com\/index.php?rest_route=\/wp\/v2\/posts\/849\/revisions\/851"}],"wp:attachment":[{"href":"https:\/\/feizhaojun.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=849"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/feizhaojun.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=849"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/feizhaojun.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=849"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}