{"id":66694,"date":"2014-04-02T11:21:48","date_gmt":"2014-04-02T03:21:48","guid":{"rendered":"http:\/\/www.xiaoyebailong.com\/?p=66694"},"modified":"2014-04-02T11:21:48","modified_gmt":"2014-04-02T03:21:48","slug":"js%e9%9a%8f%e6%9c%ba%e6%95%b0%e5%87%bd%e6%95%b0","status":"publish","type":"post","link":"http:\/\/www.xiaoyebailong.com\/index.php\/2014\/04\/02\/66694.htm","title":{"rendered":"JS\u968f\u673a\u6570\u51fd\u6570"},"content":{"rendered":"

JS\u968f\u673a\u6574\u6570\u7684\u51fd\u6570<\/strong><\/p>\n

<script>
\ndocument.write(parseInt(10*Math.random())); \u3000\/\/\u8f93\u51fa0\uff5e10\u4e4b\u95f4\u7684\u968f\u673a\u6574\u6570<\/p>\n

document.write(Math.floor(Math.random()*10+1)); \u3000\/\/\u8f93\u51fa1\uff5e10\u4e4b\u95f4\u7684\u968f\u673a\u6574\u6570<\/p>\n

function RndNum(n){
\nvar rnd=””;
\nfor(var i=0;i<n;i++)
\nrnd+=Math.floor(Math.random()*10);
\nreturn rnd;
\n}
\ndocument.write(RndNum(4));\u3000\u3000\/\/\u8f93\u51fa\u6307\u5b9a\u4f4d\u6570\u7684\u968f\u673a\u6570\u7684\u968f\u673a\u6574\u6570<\/p>\n\n\n\n\n
\u5f15\u7528\u90e8\u5206:<\/td>\n<\/tr>\n
\n1. \u4ece1\u5f00\u59cb \u81f3 \u4efb\u610f\u503c
\nparseInt(Math.random()*\u4e0a\u9650+1);<\/p>\n

2. \u4ece\u4efb\u610f\u503c\u5f00\u59cb \u81f3 \u4efb\u610f\u503c
\nparseInt(Math.random()*(\u4e0a\u9650-\u4e0b\u9650+1)+\u4e0b\u9650);<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

function fRandomBy(under, over){
\nswitch(arguments.length){
\ncase 1: return parseInt(Math.random()*under+1);
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\ndefault: return 0;
\n}
\n}
\ndocument.write(fRandomBy(1,100));\u3000\u3000\/\/\u8f93\u51fa\u6307\u5b9a\u8303\u56f4\u5185\u7684\u968f\u673a\u6570\u7684\u968f\u673a\u6574\u6570
\n<\/script><\/p>\n

\/\/\u7ed9\u65e2\u5b9a\u6587\u672c\u6846\u6309\u89c4\u5219\u4ed8\u4e0d\u540c\u7684\u503c\uff3b\u5f15\u7533\uff3d<\/span><\/strong>
\n<script>
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\nvar o=document.getElementsByTagName_r(‘input’);
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\n}
\n<\/script>
\n1-10: <input type=”text” \/><br \/>
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<html>
\n<head>
\n<title>Math<\/title>
\n<\/head>
\n<body>
\n<script language=”javascript” type=”text\/javascript”>
\ntotal = 0
\nfor(i=1;i<=5000;i++)
\n{num=Math.random();
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\n<\/script>
\n<\/body>
\n<\/html><\/p>\n","protected":false},"excerpt":{"rendered":"

JS\u968f\u673a\u6574\u6570\u7684\u51fd\u6570 <script> document.write(parseInt(10*Math.random())); \u3000\/\/\u8f93\u51fa0\uff5e10\u4e4b\u95f4\u7684\u968f\u673a\u6574\u6570 document.write(Math.floor(Math.ran…<\/p>\n","protected":false},"author":1,"featured_media":65861,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4,1],"tags":[],"topic":[],"class_list":["post-66694","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-htmlcss","category-technology"],"_links":{"self":[{"href":"http:\/\/www.xiaoyebailong.com\/index.php\/wp-json\/wp\/v2\/posts\/66694","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.xiaoyebailong.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.xiaoyebailong.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.xiaoyebailong.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.xiaoyebailong.com\/index.php\/wp-json\/wp\/v2\/comments?post=66694"}],"version-history":[{"count":1,"href":"http:\/\/www.xiaoyebailong.com\/index.php\/wp-json\/wp\/v2\/posts\/66694\/revisions"}],"predecessor-version":[{"id":66695,"href":"http:\/\/www.xiaoyebailong.com\/index.php\/wp-json\/wp\/v2\/posts\/66694\/revisions\/66695"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.xiaoyebailong.com\/index.php\/wp-json\/wp\/v2\/media\/65861"}],"wp:attachment":[{"href":"http:\/\/www.xiaoyebailong.com\/index.php\/wp-json\/wp\/v2\/media?parent=66694"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.xiaoyebailong.com\/index.php\/wp-json\/wp\/v2\/categories?post=66694"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.xiaoyebailong.com\/index.php\/wp-json\/wp\/v2\/tags?post=66694"},{"taxonomy":"topic","embeddable":true,"href":"http:\/\/www.xiaoyebailong.com\/index.php\/wp-json\/wp\/v2\/topic?post=66694"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}