{"id":1737,"date":"2018-02-23T16:33:40","date_gmt":"2018-02-23T08:33:40","guid":{"rendered":"https:\/\/feizhaojun.com\/?p=1737"},"modified":"2018-02-24T15:21:13","modified_gmt":"2018-02-24T07:21:13","slug":"%e4%b8%80%e4%b8%aa%e5%85%b8%e5%9e%8b%e7%9a%84%e9%97%ad%e5%8c%85%e6%96%b9%e6%a1%88%ef%bc%8c%e5%8f%96for%e5%be%aa%e7%8e%af%e4%b8%adi%e7%9a%84%e5%80%bc","status":"publish","type":"post","link":"https:\/\/feizhaojun.com\/?p=1737","title":{"rendered":"\u4e00\u4e2a\u5178\u578b\u7684\u95ed\u5305\u65b9\u6848\uff0c\u53d6for\u5faa\u73af\u4e2di\u7684\u503c"},"content":{"rendered":"

\u6709\u4e2a\u7f51\u53cb\u95ee\u4e86\u4e2a\u95ee\u9898\uff0c\u5982\u4e0b\u7684html\uff0c\u4e3a\u4ec0\u4e48\u6bcf\u6b21\u8f93\u51fa\u90fd\u662f5\uff0c\u800c\u4e0d\u662f\u70b9\u51fb\u6bcf\u4e2ap\uff0c\u5c31alert\u51fa\u5bf9\u5e94\u76841\uff0c2\uff0c3\uff0c4\uff0c5\u3002<\/p>\n

<html>\n<head>\n    <meta http-equiv=\"Content-Type\" content=\"text\/html; charset=utf-8\" \/>\n    <title>\u95ed\u5305\u6f14\u793a<\/title>\n    <script type=\"text\/javascript\">\n    function init() {\n        var pAry = document.getElementsByTagName(\"p\");\n        for( var i=0; i<pAry.length; i++ ) {\n             pAry[i].onclick = function() {\n             alert(i);\n        }\n      }\n    }\n    <\/script>\n<\/head>\n<body onload=\"init();\">\n    <p>\u4ea7\u54c1\u4e00<\/p>\n    <p>\u4ea7\u54c1\u4e8c<\/p>\n    <p>\u4ea7\u54c1\u4e09<\/p>\n    <p>\u4ea7\u54c1\u56db<\/p>\n    <p>\u4ea7\u54c1\u4e94<\/p>\n<\/body>\n<\/html>\n<\/code><\/pre>\n
\u89e3\u51b3\u65b9\u5f0f<\/h3>\n
1 \u5c06\u53d8\u91cf i \u4fdd\u5b58\u7ed9\u5728\u6bcf\u4e2a\u6bb5\u843d\u5bf9\u8c61\uff08p\uff09\u4e0a<\/h4>\n
function init() {\n  var pAry = document.getElementsByTagName(\"p\");\n  for( var i=0; i<pAry.length; i++ ) {\n     pAry[i].i = i;\n     pAry[i].onclick = function() {\n        alert(this.i);\n     }\n  }\n}\n<\/code><\/pre>\n
2 \u5c06\u53d8\u91cf i \u4fdd\u5b58\u5728\u533f\u540d\u51fd\u6570\u81ea\u8eab<\/h4>\n
function init2() {\n  var pAry = document.getElementsByTagName(\"p\");\n  for( var i=0; i<pAry.length; i++ ) {\n   (pAry[i].onclick = function() {\n        alert(arguments.callee.i);\n    }).i = i;\n  }\n}\n<\/code><\/pre>\n
3 \u52a0\u4e00\u5c42\u95ed\u5305\uff0ci\u4ee5\u51fd\u6570\u53c2\u6570\u5f62\u5f0f\u4f20\u9012\u7ed9\u5185\u5c42\u51fd\u6570<\/h4>\n
function init3() {\n  var pAry = document.getElementsByTagName(\"p\");\n  for( var i=0; i<pAry.length; i++ ) {\n   (function(arg){\n       pAry[i].onclick = function() {\n          alert(arg);\n       };\n   })(i);\/\/\u8c03\u7528\u65f6\u53c2\u6570\n  }\n}\n<\/code><\/pre>\n
4 \u52a0\u4e00\u5c42\u95ed\u5305\uff0ci\u4ee5\u5c40\u90e8\u53d8\u91cf\u5f62\u5f0f\u4f20\u9012\u7ed9\u5185\u5b58\u51fd\u6570<\/h4>\n
function init4() {\n  var pAry = document.getElementsByTagName(\"p\");\n  for( var i=0; i<pAry.length; i++ ) {\n    (function () {\n      var temp = i;\/\/\u8c03\u7528\u65f6\u5c40\u90e8\u53d8\u91cf\n      pAry[i].onclick = function() {\n        alert(temp);\n      }\n    })();\n  }\n}\n<\/code><\/pre>\n
5 \u52a0\u4e00\u5c42\u95ed\u5305\uff0c\u8fd4\u56de\u4e00\u4e2a\u51fd\u6570\u4f5c\u4e3a\u54cd\u5e94\u4e8b\u4ef6\uff08\u6ce8\u610f\u4e0e3\u7684\u7ec6\u5fae\u533a\u522b\uff09<\/h4>\n
function init5() {\n  var pAry = document.getElementsByTagName(\"p\");\n  for( var i=0; i<pAry.length; i++ ) {\n   pAry[i].onclick = function(arg) {\n       return function() {\/\/\u8fd4\u56de\u4e00\u4e2a\u51fd\u6570\n       alert(arg);\n     }\n   }(i);\n  }\n}\n<\/code><\/pre>\n
6 \u7528Function\u5b9e\u73b0\uff0c\u5b9e\u9645\u4e0a\u6bcf\u4ea7\u751f\u4e00\u4e2a\u51fd\u6570\u5b9e\u4f8b\u5c31\u4f1a\u4ea7\u751f\u4e00\u4e2a\u95ed\u5305<\/h4>\n
function init6() {\n    var pAry = document.getElementsByTagName(\"p\");\n    for( var i=0; i<pAry.length; i++ ) {\n      pAry[i].onclick = new Function(\"alert(\" + i + \");\");\/\/new\u4e00\u6b21\u5c31\u4ea7\u751f\u4e00\u4e2a\u51fd\u6570\u5b9e\u4f8b\n    }\n}\n<\/code><\/pre>\n
7 \u7528Function\u5b9e\u73b0\uff0c\u6ce8\u610f\u4e0e6\u7684\u533a\u522b<\/h4>\n
function init7() {\n    var pAry = document.getElementsByTagName(\"p\");\n    for( var i=0; i<pAry.length; i++ ) {\n         pAry[i].onclick = Function('alert('+i+')')\n    }\n}\n<\/code><\/pre>\n
\u8f6c\u81ea\uff1ahttps:\/\/www.cnblogs.com\/syf\/archive\/2012\/10\/04\/2711828.html<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
\u6709\u4e2a\u7f51\u53cb\u95ee\u4e86\u4e2a\u95ee\u9898\uff0c\u5982\u4e0b\u7684html\uff0c\u4e3a\u4ec0\u4e48\u6bcf\u6b21\u8f93\u51fa\u90fd\u662f5\uff0c\u800c\u4e0d\u662f\u70b9\u51fb\u6bcf\u4e2ap\uff0c\u5c31alert\u51fa\u5bf9\u5e94\u76841\uff0c2\uff0c3\uff0c4\uff0c5\u3002 &…<\/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":[5],"tags":[],"class_list":["post-1737","post","type-post","status-publish","format-standard","hentry","category-javascript"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/feizhaojun.com\/index.php?rest_route=\/wp\/v2\/posts\/1737","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=1737"}],"version-history":[{"count":5,"href":"https:\/\/feizhaojun.com\/index.php?rest_route=\/wp\/v2\/posts\/1737\/revisions"}],"predecessor-version":[{"id":1758,"href":"https:\/\/feizhaojun.com\/index.php?rest_route=\/wp\/v2\/posts\/1737\/revisions\/1758"}],"wp:attachment":[{"href":"https:\/\/feizhaojun.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1737"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/feizhaojun.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1737"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/feizhaojun.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1737"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}