js 造轮子 HtmlSpecialChars 函数把预定义的字符转换为 HTML 实体
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| class HtmlSpecialChars {
constructor() {
this.myCodeMap = {
'&': '&',
'<': '<',
'>': '>',
'"': '"',
"'": ''',
};
}
encoded(text) {
for (let key in this.myCodeMap) {
let value = this.myCodeMap[key];
text = text.replace(new RegExp(key, 'gm'), value);
}
return text;
}
decode(text) {
for (let key in this.myCodeMap) {
let value = this.myCodeMap[key];
text = text.replace(new RegExp(value, 'gm'), key);
}
return text;
}
}
module.exports = new HtmlSpecialChars();
|
