后台构建 html 字符串传到前台字符串转码（html）处理

知识在于总结，那就记下了吧！

例如后台 html 字符串是

var htmlStr=”后台html字符串”；

转码

var html格式代码=decodeHtml（htmlStr）;

只需调用下面这个js方法就行了

 function decodeHtmls) {
        var HTML_DECODE = {
            "&lt;": "<",
            "&gt;": ">",
            "&amp;": "&",
            "&nbsp;": " ",
            "&quot;": """,
            "&copy;": ""

            // Add more
        };

        var REGX_HTML_ENCODE = /"|&|'|<|>|[x00-x20]|[x7F-xFF]|[u0100-u2700]/g;

        var REGX_HTML_DECODE = /&w+;|&#d+);/g;

        var REGX_TRIM = /^s*)|s*$)/g;

        s = s != undefined) ? s : "";
        return typeof s != "string") ? s :
            s.replaceREGX_HTML_DECODE,
                      function $0, $1) {
                          var c = HTML_DECODE[$0];
                          if c == undefined) {
                              // Maybe is Entity Number
                              if !isNaN$1)) {
                                  c = String.fromCharCode$1 == 160) ? 32 : $1);
                              } else {
                                  c = $0;
                              }
                          }
                          return c;
                      });
    };

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