js编码

// html encode
String.prototype.htmlEncode = function () {
    var temp = document.createElement("div");
    temp.innerText != undefined ? temp.innerText = this : temp.textContent = this;
    var output = temp.innerHTML;
    delete temp;
    return output;
} 

// html decode
String.prototype.htmlDecode = function () {
    var temp = document.createElement("div");
    temp.innerHTML = this;
    var output = temp.innerText != undefined ? temp.innerText : temp.textContent;
    delete temp;
    return output;
}