{"id":3313,"date":"2017-05-31T20:40:58","date_gmt":"2017-05-31T12:40:58","guid":{"rendered":"https:\/\/ixyzero.com\/blog\/?p=3313"},"modified":"2017-05-31T20:40:58","modified_gmt":"2017-05-31T12:40:58","slug":"jquery%e5%b8%b8%e7%94%a8%e5%b0%8f%e7%9f%a5%e8%af%86%e5%ad%a6%e4%b9%a0","status":"publish","type":"post","link":"https:\/\/ixyzero.com\/blog\/archives\/3313.html","title":{"rendered":"jQuery\u5e38\u7528\u5c0f\u77e5\u8bc6\u5b66\u4e60"},"content":{"rendered":"

=Start=<\/p>\n

\u7f18\u7531\uff1a<\/h4>\n

\u4eca\u5929\u770b\u5230\u4e86\u963f\u91cc\u4e91\u793e\u533a\u4e0a\u7206\u51fa\u7684sudo\u672c\u5730\u63d0\u6743\u6f0f\u6d1e\uff0c\u987a\u4fbf\u901b\u4e86\u4e00\u4e0b\u8bba\u575b\u91cc\u7684\u5176\u5b83\u5e16\u5b50\uff0c\u53d1\u73b0\u4ed6\u4eec\u5728\u6f0f\u6d1e\u4fe1\u606f\u7684\u603b\u7ed3\u3001\u6574\u7406\u3001\u516c\u544a\u65b9\u9762\u662f\u56fd\u5185\u6bd4\u8f83\u9886\u5148\u7684\uff0c\u5c31\u60f3\u7740\u6309\u7167\u4ed6\u4eec\u603b\u7ed3\u3001\u7edf\u8ba1\u51fa\u6765\u7684\u6f0f\u6d1e\u5217\u8868\u5bf9\u516c\u53f8\u5185\u90e8\u4f7f\u7528\u7684\u7cfb\u7edf\/\u8f6f\u4ef6\u8fdb\u884c\u6392\u67e5\uff0c\u65e2\u5168\u9762\u53c8\u7701\u4e8b\u3002<\/p>\n

\u89c2\u5bdf\u53d1\u73b0\u4ed6\u4eec\u7684\u300c\u6f0f\u6d1e\u516c\u544a\u300d\u4fe1\u606f\u662f\u6709\u4e00\u4e2a\u7edf\u4e00\u7684\u547d\u540d\u683c\u5f0f\u7684\uff1a<\/p>\n

\u5728\u300c\u5b89\u5168\u6f0f\u6d1e\u516c\u544a\u4e13\u533a<\/a>\u300d\u9875\u9762\u4e2d\uff0c\u6807\u9898\u5305\u542b\u6709\u300c\u3010\u6f0f\u6d1e\u516c\u544a\u3011\u300d\u7684\u5e16\u5b50\u3002<\/p>\n

\u8fd9\u65f6\uff0c\u6211\u6709\u51e0\u79cd\u65b9\u5f0f\u5bf9\u5176\u4e2d\u7684\u5185\u5bb9\u8fdb\u884c\u7edf\u8ba1\uff0c\u6bd4\u5982\uff1a<\/p>\n

\u65b9\u6cd5\u4e00\uff08Google\u5927\u6cd5\uff09\uff1a<\/p>\n

site:bbs.aliyun.com<\/a> \u5b89\u5168\u6f0f\u6d1e\u516c\u544a\u4e13\u533a
\nsite:bbs.aliyun.com<\/a> \u3010\u6f0f\u6d1e\u516c\u544a\u3011<\/p>\n

\u65b9\u6cd5\u4e8c\uff08jQuery\u5927\u6cd5\uff09\uff1a<\/p>\n

\u6253\u5f00\u300c\u5b89\u5168\u6f0f\u6d1e\u516c\u544a\u4e13\u533a<\/a>\u300d\u9875\u9762\uff0c\u7136\u540e\u7528\u6d4f\u89c8\u5668\u7684console\u8fdb\u884c\u5e16\u5b50\u6807\u9898\u3001URL\u3001\u521b\u5efa\u65f6\u95f4\u7684\u63d0\u53d6<\/p>\n

\u65b9\u6cd5\u4e09\uff08\u7ad9\u5185\u641c\u7d22\uff09\uff1a<\/p>\n

\u8bd5\u4e86\u8bd5\uff0c\u6548\u679c\u4e0d\u592a\u597d\uff08\u56e0\u4e3a\u6ca1\u6709\u767b\u5f55\u7684\u539f\u56e0\uff1f\uff09<\/p>\n

\u6b63\u6587\uff1a<\/h4>\n
\u53c2\u8003\u89e3\u7b54\uff1a<\/h5>\n

\u8fd9\u91cc\u4e3b\u8981\u8bb0\u5f55\u4e00\u4e0b\u6211\u5728Chrome\u6d4f\u89c8\u5668\u4e0b\u7528jQuery\u63d0\u53d6\u76f8\u5173\u4fe1\u606f\u7684\u8fc7\u7a0b\uff0c\u65b9\u4fbf\u4ee5\u540e\u5728\u78b0\u5230\u7c7b\u4f3c\u60c5\u51b5\u65f6\u6709\u4e2a\u53c2\u8003\u3002<\/p>\n

1.\u5206\u6790\u3001\u5b9a\u4f4d<\/h6>\n

\u6d4f\u89c8\u5668\u6253\u5f00\u300c\u5b89\u5168\u6f0f\u6d1e\u516c\u544a\u4e13\u533a<\/a>\u300d\u9875\u9762\uff0c\u7136\u540e\u5c06\u9f20\u6807\u653e\u5728\u300c\u3010\u6f0f\u6d1e\u516c\u544a\u3011CVE-2017-1000367:Sudo\u672c\u5730\u63d0\u6743\u6f0f\u6d1e\u300d\u8d34\u5b50\u6807\u9898\u4e0a\u300c\u53f3\u952e – \u68c0\u67e5\u300d\uff0c\u770b\u662f\u5426\u5b58\u5728\u4e00\u4e9b\u5bb9\u6613\u5b9a\u4f4d\u8be5item\u7684\u7279\u5f81\uff0c\u53d1\u73b0\u8be5\u7c7b<a>\u5143\u7d20\u90fd\u6709\u300cclass<\/span>=”subject_t f14<\/span>“\u300d\u6807\u8bc6<\/strong>\uff0c\u81f3\u6b64\uff0c\u8fc7\u6ee4\u6761\u4ef6\u786e\u5b9a\u4e86\u3002\u63a5\u4e0b\u6765\u7528js\u5b9e\u73b0\u5b9a\u4f4d\u548c\u8fc7\u6ee4\u3002<\/p>\n

2.jQuery\u7684selector<\/h6>\n

jQuery \u9009\u62e9\u5668<\/strong>
\nhttp:\/\/www.w3school.com.cn\/jquery\/jquery_selectors.asp<\/a><\/p>\n

jQuery\u4e2d\u5982\u4f55\u9009\u62e9class\u540d\u79f0\u4e2d\u5305\u542b\u6709\u300c\u7a7a\u683c\u300d\u7684\u5143\u7d20\uff1f<\/strong>
\nhttps:\/\/stackoverflow.com\/questions\/1988483\/jquery-selector-classname-with-space<\/a><\/p>\n

\n
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\n\n\n\n
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\u60c5\u51b5\uff1a<\/code><\/div>\n
<div <\/code>class<\/code>=<\/code>\"panel current\"<\/code>><\/code><\/div>\n
\u5bf9\u5e94\uff1a<\/code><\/div>\n
$(<\/code>\"div.panel.current\"<\/code>)<\/code><\/div>\n
\u6240\u4ee5\uff1a<\/code><\/div>\n
<a ... <\/code>class<\/code>=<\/code>\"subject_t f14\"<\/code> ...><\/code><\/div>\n
\u5bf9\u5e94\uff1a<\/code><\/div>\n
$(<\/code>\"a.subject_t.f14\"<\/code>) <\/code>\/\/ \u6216 $(\".subject_t.f14\")<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

\u7528selector\u9009\u597d\u4e86\u4e4b\u540e\uff0c\u5982\u4f55\u5faa\u73af\u5bf9\u9009\u4e2d\u7684\u5143\u7d20\u8fdb\u884c\u5904\u7406\uff1f
\nhttps:\/\/stackoverflow.com\/questions\/17717205\/how-to-iterate-a-result-of-jquery-selector<\/a>
\nhttps:\/\/stackoverflow.com\/questions\/4735342\/jquery-to-loop-through-elements-with-the-same-class<\/a><\/p>\n

\n
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\n\n\n\n
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$(<\/code>\".subject_t.f14\"<\/code>).each(function() {<\/code><\/div>\n
console.log(<\/code>this<\/code>.href);<\/code><\/div>\n
});<\/code><\/div>\n
\/\/ \u6216<\/code><\/div>\n
$(<\/code>\".subject_t.f14\"<\/code>).each(function(index, elem){<\/code><\/div>\n
console.log(<\/code>\"I am \"<\/code> + index + <\/code>\"th element.\"<\/code>, elem.href);<\/code><\/div>\n
});<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

JavaScript\u4e2d\u5982\u4f55\u8fdb\u884c\u5b57\u7b26\u4e32\u5305\u542b\u7684\u6d4b\u8bd5\uff1f
\nhttps:\/\/stackoverflow.com\/questions\/1789945\/how-to-check-whether-a-string-contains-a-substring-in-javascript<\/a>
\nhttps:\/\/stackoverflow.com\/questions\/3480771\/how-do-i-check-if-string-contains-substring<\/a><\/p>\n

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var string = <\/code>\"foo\"<\/code>, substring = <\/code>\"oo\"<\/code>;<\/code><\/div>\n
string.indexOf(substring) !== -<\/code>1<\/code>;<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

JavaScript Break \u548c Continue \u8bed\u53e5
\nhttp:\/\/www.w3school.com.cn\/js\/js_break.asp<\/a><\/p>\n

JavaScript\u4e2d\u5982\u4f55\u6839\u636e\u6307\u5b9a\u5206\u9694\u7b26\u5bf9\u5b57\u7b26\u4e32\u8fdb\u884c\u5207\u5206\uff1f
\nhttps:\/\/stackoverflow.com\/questions\/96428\/how-do-i-split-a-string-breaking-at-a-particular-character<\/a><\/p>\n

\n
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\n\n\n\n
\n
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this<\/code>.href <\/code>\/\/ \"https:\/\/bbs.aliyun.com\/read\/317299.html?spm=5176.bbsl215.0.0.JK5qhJ\"<\/a><\/code><\/div>\n
this<\/code>.href.split(<\/code>'?spm='<\/code>)[<\/code>0<\/code>] <\/code>\/\/ \"https:\/\/bbs.aliyun.com\/read\/317299.html\"<\/a><\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
3.\u5176\u5b83<\/h6>\n

\u5728\u6d4f\u89c8\u5668\u7684 console \u4e2d\u5982\u4f55\u5224\u65ad jQuery \u662f\u5426\u5df2\u7ecf\u52a0\u8f7d\uff1f\u4ee5\u53ca ‘$’ \u662f\u5426\u53ef\u7528\uff1f<\/strong>
\nhttps:\/\/stackoverflow.com\/questions\/1828237\/check-if-jquery-has-been-loaded-then-load-it-if-false<\/a><\/p>\n

\n
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\n\n\n\n
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typeof $<\/code><\/div>\n
var tests = $(<\/code>\"a\"<\/code>);<\/code><\/div>\n
\/\/<\/code><\/div>\n
typeof jQuery<\/code><\/div>\n
var tests = jQuery(<\/code>\"a\"<\/code>);<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
\u53c2\u8003\u94fe\u63a5\uff1a<\/h5>\n