{"version":"1.0","provider_name":"\u7ecf\u9a8c\u5206\u4eab","provider_url":"https:\/\/mi-blog.cn","author_name":"\u7c73\u9633","author_url":"https:\/\/mi-blog.cn\/index.php\/author\/webdami\/","title":"JS\u51fd\u6570 - \u7ecf\u9a8c\u5206\u4eab","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"0v7TfzI3qt\"><a href=\"https:\/\/mi-blog.cn\/index.php\/2020\/01\/16\/js%e5%87%bd%e6%95%b0\/\">JS\u51fd\u6570<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/mi-blog.cn\/index.php\/2020\/01\/16\/js%e5%87%bd%e6%95%b0\/embed\/#?secret=0v7TfzI3qt\" width=\"600\" height=\"338\" title=\"\u300a JS\u51fd\u6570 \u300b\u2014\u7ecf\u9a8c\u5206\u4eab\" data-secret=\"0v7TfzI3qt\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script type=\"text\/javascript\">\n\/* <![CDATA[ *\/\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/mi-blog.cn\/wp-includes\/js\/wp-embed.min.js\n\/* ]]> *\/\n<\/script>\n","thumbnail_url":"https:\/\/mi-blog.cn\/wp-content\/uploads\/2023\/11\/a.webp","thumbnail_width":888,"thumbnail_height":500,"description":"js\u51fd\u6570\u8fd9\u4e2a\u6982\u5ff5\u592a\u5927\u4e86\uff0c\u8fd9\u7bc7\u6d45\u804a\u4e00\u4e0b\u5bf9\u51fd\u6570\u7684\u7406\u89e3\u548c\u4e00\u4e9b\u6ce8\u610f\u70b9\u3002 \u9996\u5148\u51fd\u6570\u5c31\u662f\u628a\u4e00\u6bb5\u5e72\u67d0\u4ef6\u4e8b\u7684\u4ee3\u7801\u5305\u8d77\u6765\uff0c\u7559\u7740\u590d\u7528\uff0c\u54ea\u91cc\u7528\u5c31\u653e\u54ea\u91cc\uff0c\u8ba9\u8fd9\u4e2a\u51fd\u6570\u5e72\u67d0\u4ef6\u4e8b\u5c31\u8981\u6709\u8f93\u5165\uff08\u5165\u53c2\uff09\u548c\u8f93\u51fa\uff08\u8fd0\u884c\u7ed3\u679c\uff09\uff0c\u6bd4\u5982\uff1a\u8ba1\u7b97\u4e24\u4e2a\u6570\u5b57\u7684\u548c\u00a0 \u4e24\u4e2a\u6570\u5b57\u5c31\u662f\u5165\u53c2\uff0c\u4ed6\u4eec\u7684\u548c\u5c31\u662f\u8fd0\u884c\u7ed3\u679c\u3002 arguments \u4ee3\u8868\u4e86\u51fd\u6570\u8c03\u7528\u65f6\u4f20\u9012\u7684\u53c2\u6570\u5217\u8868\uff0c\u53ef\u4ee5\u83b7\u53d6\u5230\u4f20\u9012\u7ed9\u51fd\u6570\u7684\u5b9e\u53c2\uff0c\u5b83\u662f\u4e00\u4e2a\u7c7b\u6570\u7ec4\u5bf9\u8c61\uff0c\u53ef\u4ee5\u901a\u8fc7\u7d22\u5f15\u8bbf\u95ee\u5176\u4e2d\u7684\u53c2\u6570\u503c\u3002\u53ef\u4ee5\u4f7f\u7528 arguments.length \u5c5e\u6027\u83b7\u53d6\u4f20\u9012\u7684\u53c2\u6570\u4e2a\u6570 function examp [&hellip;]"}