替换所有html代码的特殊字符

// 翻转替换里面所有的html代码的尖括弧

function replaceRevertAllHTML(txt){

var value = txt

var leftCarr = /</g ;

var rightCarr =/>/g ;

var dan = /'/g;

var and = /&/g;

var shuang = /"/g;

value = value.replace(leftCarr, "<");

value = value.replace(rightCarr, ">");

value = value.replace(shuang, "\"");

value = value.replace(dan, "\'");

value = value.replace(and, "&");

return value;

}