{"id":361,"date":"2014-05-06T12:19:48","date_gmt":"2014-05-06T04:19:48","guid":{"rendered":"http:\/\/blog.feizhaojun.com\/?p=361"},"modified":"2014-05-06T14:53:31","modified_gmt":"2014-05-06T06:53:31","slug":"javascript%e5%9c%a8%e5%87%bd%e6%95%b0%e4%b8%ad%e5%a3%b0%e6%98%8e%e5%8f%98%e9%87%8f%e7%9a%84%e4%bd%9c%e7%94%a8%e5%9f%9f","status":"publish","type":"post","link":"https:\/\/feizhaojun.com\/?p=361","title":{"rendered":"JavaScript\u5728\u51fd\u6570\u4e2d\u58f0\u660e\u53d8\u91cf\u7684\u4f5c\u7528\u57df"},"content":{"rendered":"<div id=\"yass_top_edge_dummy\" style=\"width: 1px; height: 1px; padding: 0px; margin: -11px 0px 0px; border-width: 0px; display: block;\"><\/div>\n<div id=\"yass_top_edge\" style=\"background-image: url('chrome:\/\/yass\/content\/edgebgtop.png'); background-attachment: scroll; background-position: center bottom; padding: 0px; margin: 0px 0px 10px -10px; border-width: 0px; height: 0px; display: block; width: 1px;\"><\/div>\n<p>1.\u4e0b\u9762\u4ee3\u7801\u51fd\u6570\u4e2d\u58f0\u660e\u4e86\u53d8\u91cfm\uff0c\u6240\u4ee5m\u7684\u4f5c\u7528\u57df\u662f\u51fd\u6570\u5185\u90e8\uff0c\u51fd\u6570\u6267\u884c\u5b8c\u6bd5\u540e\uff0c\u4e0d\u80fd\u518d\u8bbf\u95ee\u53d8\u91cfm\uff1a<\/p>\n<p>[html]<\/p>\n<p>&lt;script&gt;<br \/>\nfunction show(i,j){<br \/>\nvar m=i+j;<br \/>\nreturn m;<br \/>\n}<br \/>\nshow(1,2);<br \/>\nalert(m);<br \/>\n&lt;\/script&gt;<\/p>\n<p>[\/html]<\/p>\n<p>2.\u4e0b\u9762\u51fd\u6570\u4e2dm\u6ca1\u6709\u751f\u547d\uff0c\u51fd\u6570\u6267\u884c\u5b8c\u6bd5\u540e\u4ecd\u7136\u53ef\u4ee5\u8bbf\u95eem\uff1a<\/p>\n<p>[html]<\/p>\n<p>&lt;script&gt;<br \/>\nfunction show(i,j){<br \/>\nm=i+j;<br \/>\nreturn m;<br \/>\n\/\/\u6216\u8005\u4ee5\u4e0a\u4e24\u6bb5\u4ee3\u7801\u7f29\u5199\u4e3areturn m=i+j;\u6548\u679c\u662f\u4e00\u6837\u7684\u3002<br \/>\n}<br \/>\nshow(1,2);<br \/>\nalert(m);<br \/>\n&lt;\/script&gt;<\/p>\n<p>[\/html]<\/p>\n<p>\u4e0b\u9762\u7684\u867d\u7136\u5728\u5916\u90e8\u5b9a\u4e49\u4e86m\uff0c\u4f46\u662f\u51fd\u6570\u5185\u90e8\u6ca1\u6709\u58f0\u660e\uff0c\u6240\u4ee5\u5728\u5916\u90e8\u518d\u6b21\u8c03\u7528m\u65f6\u4f1a\u663e\u793a\u88ab\u4fee\u6539\u7684\u503c\uff1a<\/p>\n<p>[html]<\/p>\n<p>&lt;script&gt;<br \/>\nvar m=\"1\";<br \/>\nfunction show(){<br \/>\nm=\"2\";<br \/>\nreturn m;<br \/>\n}<br \/>\nshow();<br \/>\nalert(m);<br \/>\n&lt;\/script&gt;<\/p>\n<p>[\/html]<\/p>\n<p>3.\u5982\u679c\u5728\u51fd\u6570\u5185\u90e8\u4f7f\u7528\u5916\u90e8\u53d8\u91cf\uff0c\u53ef\u4ee5\u4f7f\u7528window.propertyName\uff1a<\/p>\n<p>[html]<\/p>\n<p>&lt;script&gt;<br \/>\nvar m=\"1\";<br \/>\nfunction show(){<br \/>\nvar m=\"2\";<br \/>\nreturn window.m;\u00a0\u00a0 \u00a0\/\/\u8fd4\u56de\"1\"<br \/>\n\/\/return m;\u00a0\u00a0 \u00a0\/\/\u8fd4\u56de\"2\"<br \/>\n}<br \/>\nalert(show());<br \/>\n&lt;\/script&gt;<\/p>\n<p>[\/html]<\/p>\n<div id=\"yass_bottom_edge\" style=\"background-image: url('chrome:\/\/yass\/content\/edgebgbot.png'); background-position: 0px 0px; position: absolute; margin: 0px; padding: 0px; border-width: 0px; height: 0px; left: 0px; top: 1114px; width: 100%; display: block;\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>1.\u4e0b\u9762\u4ee3\u7801\u51fd\u6570\u4e2d\u58f0\u660e\u4e86\u53d8\u91cfm\uff0c\u6240\u4ee5m\u7684\u4f5c\u7528\u57df\u662f\u51fd\u6570\u5185\u90e8\uff0c\u51fd\u6570\u6267\u884c\u5b8c\u6bd5\u540e\uff0c\u4e0d\u80fd\u518d\u8bbf\u95ee\u53d8\u91cfm\uff1a [html] &lt;sc&#8230;<\/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":[3,5],"tags":[],"class_list":["post-361","post","type-post","status-publish","format-standard","hentry","category-fe","category-javascript"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/feizhaojun.com\/index.php?rest_route=\/wp\/v2\/posts\/361","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=361"}],"version-history":[{"count":4,"href":"https:\/\/feizhaojun.com\/index.php?rest_route=\/wp\/v2\/posts\/361\/revisions"}],"predecessor-version":[{"id":367,"href":"https:\/\/feizhaojun.com\/index.php?rest_route=\/wp\/v2\/posts\/361\/revisions\/367"}],"wp:attachment":[{"href":"https:\/\/feizhaojun.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=361"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/feizhaojun.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=361"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/feizhaojun.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=361"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}