str=str。replace(/&hllp;/gi,"…")。replace(/&ldqo;/gi,"“")。replace(/ldqo/gi,"ldquo")。replace(/&rdqo;/gi,"”")。replace(/‐/gi,"—");
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var str=document。getElementById("content")。innerHTML;//这里是整个页面代码 ,也可以指定id
/gi,"");
\
str=str。replace(/
/gi,"
document。getElementById("content")。innerHTML=str;