字符串与16进制数互转表

在JavaScript中，可以使用以下代码实现字符串与十六进制数的相互转换：

将字符串转换为十六进制数：

function stringToHex(str) {
  let hex = '';
  for(let i = 0; i < str.length; i++) {
    hex += str.charCodeAt(i).toString(16);
  }
  return hex;
}

let str = "Hello World";
let hex = stringToHex(str);
console.log(hex); // 48656c6c6f20576f726c64

将十六进制数转换为字符串：

function hexToString(hex) {
  let str = '';
  for(let i = 0; i < hex.length; i += 2) {
    str += String.fromCharCode(parseInt(hex.substr(i, 2), 16));
  }
  return str;
}

let hex = "48656c6c6f20576f726c64";
let str = hexToString(hex);
console.log(str); // Hello World

这些代码可以将字符串转换为十六进制数，以及将十六进制数转换为字符串。你可以根据需要调用相应的函数来实现转换。<span class="em">1</span><span class="em">2</span>
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