//字符串轉ascii碼，用charCodeAt(); //ascii碼轉字符串，用fromCharCode(); var str = "A"; var code = str.charCodeAt(); var str2 = String.fromCharCode(code);

　　十進制轉二進制

var a = "i"; console.log(a.charCodeAt()); //105 console.log(a.charCodeAt().toString(2)); //1101001

　　

var a = "我"; console.log(a.charCodeAt()); //25105 console.log(a.charCodeAt().toString(2)); //110001000010001

　　

var a = "我們"; console.log(a.length); //2 var list = a.split(""); console.log(list.length); //2
console.log(a.charCodeAt().toString(2)); //110001000010001 100111011101100

　　

//將字符串轉換成二進制形式，中間用空格隔開 function strToBinary(str){var result = [];var list = str.split("");for(var i=0;i<list.length;i++){if(i != 0){result.push(" ");}var item = list[i];var binaryStr = item.charCodeAt().toString(2);result.push(binartStr);} return result.join(""); }console.log(strToBinary("我們")); //110001000010001 100111011101100 console.log(strToBinary("@%$+")); //1000000 100101 100100 101011//將二進制字符串轉換成Unicode字符串 function binaryToStr(str){var result = [];var list = str.split(" ");for(var i=0;i<list.length;i++){var item = list[i];var asciiCode = parseInt(item,2);var charValue = String.fromCharCode(asciiCode);result.push(charValue);}return result.join(""); } console.log(binaryToStr("110001000010001 100111011101100")); //我們 console.log(binaryToStr("1000000 100101 100100 101011")); //@%$+

　　轉載請注明出處：http://www.cnblogs.com/it-deepinmind/

轉載于:https://www.cnblogs.com/it-deepinmind/p/7430025.html

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