“JavaScript Получите ключевой код от char” Ответ

JavaScript Получите ключевой код от char

//You can use the charCodeAt function to achieve this.
//example

//js file
function showKeyCode () {
    var character = document.getElementById("character").value.substring(0, 1);
    var code = document.getElementById("character").value.charCodeAt(0);
    var msg = "The Key Code for the \"" + character + "\" character is " + code + ".";
    alert(msg);
}
//html file
<input type="text" id="character" size="15">
<input type="button" value="Show Key Code" onclick="showKeyCode();">