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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>test</title>
<script src="https://cdn.staticfile.org/jquery/1.10.2/jquery.min.js"></script>
<script type="text/javascript">
function html_encode(str)
{
var s = "";
if (str.length == 0) return "";
s = str.replace(/&/g, "&");
s = s.replace(/</g, "<");
s = s.replace(/>/g, ">");
s = s.replace(/ /g, " ");
s = s.replace(/\'/g, "'");
s = s.replace(/\"/g, '"');
s = s.replace(/\n/g, "<br/>");
return s;
}
function html_decode(str)
{
var s = "";
if (str.length == 0) return "";
s = str.replace(/&/g, "&");
s = s.replace(/</g, "<");
s = s.replace(/>/g, ">");
s = s.replace(/ /g, " ");
s = s.replace(/'/g, "\'");
s = s.replace(/"/g, "\"");
s = s.replace(/<br\/>/g, "\n");
return s;
}
console.log(html_decode('<div>123</div>'));
console.log(html_encode(html_decode('<div>123</div>')));
</script>
</head>
<body>
</body>
</html>点击 "运行实例" 按钮查看在线实例
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