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javascript delete html tag function cIsHTML

高洛峰
高洛峰Original
2017-01-11 09:23:251226browse

Core function code: 

function cIsHTML(str) {
        // parseHTML 会解析页面中的代码,故放弃此方法实现
        //try {
        //  $.parseHTML(str);
        // } catch (e) {
        //  return {
        //      errno: e.name,
        //      errmsg: e.message
        //  };
        // }
        // return true;
         
        if (/\s?<!doctype html>|(<html\b[^>]*>|<body\b[^>]*>|<x-[^>]+>)+/i.test(str)) {
            return true;
        }
 
        return {
                errno: &#39;Invalid Html code&#39;,
                errmsg: &#39;Invalid Html code&#39;
            };
    }

For detailed information on jQuery.parseHTML() function, please view this article: jQuery.parseHTML() function detailed explanation

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