{"id":138195,"date":"2020-07-21T03:41:47","date_gmt":"2020-07-20T19:41:47","guid":{"rendered":"http:\/\/4563.org\/?p=138195"},"modified":"2020-07-21T03:41:47","modified_gmt":"2020-07-20T19:41:47","slug":"%e5%ad%a6-js-%e7%a2%b0%e5%88%b0%e7%9a%84%e4%b8%80%e4%b8%aa%e9%97%ae%e9%a2%98","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=138195","title":{"rendered":"\u5b66 JS \u78b0\u5230\u7684\u4e00\u4e2a\u95ee\u9898"},"content":{"rendered":"
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\u5b66 JS \u78b0\u5230\u7684\u4e00\u4e2a\u95ee\u9898 <\/h1>\n

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\u8cc7\u6df1\u5927\u4f6c : zzybot1996 <\/span> <\/i> 4<\/span> <\/div>\n
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\u6709\u8fd9\u4e48\u4e00\u4e2a\u65b9\u6cd5\uff1a<\/p>\n

  function f(obj) {         var table = obj.parentNode.parentNode.parentNode;         var tr = obj.parentNode.parentNode;         table.removeChild(tr);     }``` \u5b83\u7684\u8c03\u7528\u8005\u662f\u8fd9\u6837\u7684\uff1a `<a href=\"javascript:void(0);\" onclick=\"f(this)\">\u5220\u9664<\/a>`  \u6211\u7684\u76ee\u7684\u662f\u70b9\u51fb\u5220\u9664\uff0c\u5c31\u4f1a\u5220\u9664\u8be5\u94fe\u63a5\u6240\u5728\u7684\u5f53\u524d\u884c\uff0c\u95ee\u9898\u6765\u4e86\uff0cf()\u65b9\u6cd5\u91cc\u4e3a\u4ec0\u4e48\u628a `var table = obj.parentNode.parentNode.parentNode;`\u66ff\u6362\u6210 `var table = document.getElementsByTagName(\"table\")[0];`\u65f6\u5c31\u62a5\u9519\u4e86\u5462\uff1f\u8fd9\u4e2a html \u91cc\u53ea\u6709\u4e00\u4e2a table\uff0c\u8fd9\u6837\u83b7\u53d6\u5e94\u8be5\u6ca1\u95ee\u9898\u5427\u3002\u3002\u3002 <\/code><\/pre>\n<\/p><\/div>\n
 \u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (4<\/span>)        <\/div>\n
 <\/div>\n<\/p><\/div>\n<\/p><\/div>\n
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     \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : zzybot1996 <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u65b0\u53d1\u73b0\uff0c\u5728 f()\u4e2d\u52a0\u4e86\u8fd9\u4e48\u4e00\u884c\uff0c
    `alert(document.getElementsByTagName(“table”)[0]);`\u70b9\u5220\u9664\u540e\u7f51\u9875\u4f1a\u5f39\u51fa[object HTMLTableElement]\u3002
    \u6539\u6210\uff1a
    `alert(obj.parentNode.parentNode.parentNode);`\u70b9\u5220\u9664\u540e\u5c45\u7136\u5f39\u51fa\u7684\u662f null \u3002\u3002\u3002\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
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     \u8cc7\u6df1\u5927\u4f6c : SilentDepth <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u5bf9\u4e8e\u8fd9\u6837\u4e00\u4e2a\u7ed3\u6784\uff1a<\/p>\n
    <table>
    __<tbody>
    ____<tr>
    ______<td>
    ________<a href=”…” onclick=”…”><\/p>\n
    <a>.parentNode.parentNode.parentNode \u548c document.getElementsByTagName(‘table’)[0] \u662f\u540c\u4e00\u4e2a\u5143\u7d20\u5417\uff1f                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n
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     \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : zzybot1996 <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @SilentDepth \u6211\u4e0d\u77e5\u9053<tbody>\u662f\u4ec0\u4e48\u3002\u3002\u80fd\u8ddf\u6211\u5927\u6982\u8bf4\u8bf4\u5417\uff1f<\/p>\n
    \u4e4b\u540e\u6211\u53c8\u7528 alert(obj.parentNode.parentNode.parentNode);\u8fd0\u884c\u4e86\u4e00\u4e0b\uff0c\u53d1\u73b0\u8fd4\u56de\u7684\u662f TableSectionElement,\u662f\u4e0d\u662f\u5c31\u662f<tbody>\u5462\uff1f<\/p>\n
    document.getElementsByTagName(‘table’)[0] 
    \u8fd4\u56de\u7684\u662f TableElement                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
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     \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : zzybot1996 <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @SilentDepth \u67e5\u4e86\u4e00\u4e0b tbody,
    \u6bcf\u4e2a\u8868\u683c\u53ef\u4ee5\u6709\u4e00\u4e2a\u8868\u5934\u3001\u4e00\u4e2a\u8868\u5c3e\u548c\u4e00\u4e2a\u6216\u591a\u4e2a\u8868\u4f53\uff0c\u5206\u522b\u4ee5 THEAD \u3001TFOOT \u548c TBODY \u5143\u7d20\u8868\u793a\u3002
    \u7528 TBODY \u8fd9\u4e2a\u6807\u7b7e\u53ef\u4ee5\u63a7\u5236\u8868\u683c\u5206\u884c\u4e0b\u8f7d\uff0c\u5f53\u8868\u683c\u5185\u5bb9\u5f88\u5927\u65f6\u6bd4\u8f83\u5b9e\u7528\uff0c\u5728\u9700\u8981\u5206\u884c\u4e0b\u8f7d\u5904\u52a0\u4e0a<tbody>\u548c<\/tbody><\/p>\n
    \u5927\u6982\u660e\u767d\u4ec0\u4e48\u610f\u601d\u4e86\uff0c\u660e\u5929\u518d\u4ed4\u7ec6\u67e5\u67e5\uff0c\u8bdd\u8bf4\u6211\u770b\u7684\u89c6\u9891\u91cc\u9762\u8001\u5e08\u90fd\u6ca1\u8bb2\u8fd9\u4e2a\u3002\u3002<\/p>\n
    \u611f\u8c22\u60a8\u7684\u56de\u590d\uff01                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n
  • \n","protected":false},"excerpt":{"rendered":"
    \u5b66 JS \u78b0\u5230\u7684\u4e00\u4e2a\u95ee\u9898 \u8cc7\u6df1\u5927\u4f6c…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/138195"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=138195"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/138195\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=138195"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=138195"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=138195"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}