如何在Javascript中生成MAC地址？ [英] How would one generate a MAC address in Javascript?

问题描述

我需要为我的项目生成随机MAC地址，我无法让它工作。下面是我当前的代码（不起作用）。

I need to generate a random MAC address for a project of mine, and I can not get it to work. Below is my current code (that is not working).

function genMAC(){
// Make a new array with all available HEX options.
var colours = new Array("0","1","2","3","4","5","6","7","8","9","A","B","C","D","E","F");
// Make variable to hold 6 character HEX array
partA = new Array(1);
partB = new Array(1);
partC = new Array(1);
partD = new Array(1);
partE = new Array(1);
partF = new Array(1);
mac-address="";
for (i=0;i<2;i++){
    // Loop for partA
    partA[i]=colours[Math.round(Math.random()*14)];
}
    for (i=0;i<2;i++){
    // Loop through 6 times, randomising the letter added to the array
    partB[i]=colours[Math.round(Math.random()*14)];
}
    for (i=0;i<2;i++){
    // Loop through 6 times, randomising the letter added to the array
    partC[i]=colours[Math.round(Math.random()*14)];
}
    for (i=0;i<2;i++){
    // Loop through 6 times, randomising the letter added to the array
    partD[i]=colours[Math.round(Math.random()*14)];
}
    for (i=0;i<2;i++){
    // Loop through 6 times, randomising the letter added to the array
    partE[i]=colours[Math.round(Math.random()*14)];
}
    for (i=0;i<2;i++){
    // Loop through 6 times, randomising the letter added to the array
    partF[i]=colours[Math.round(Math.random()*14)];
}
// Returns like "a10bc5". It is likely that you may need to add a "#".
mac-address = partA + ":" + partB + ":" + partC + ":" + partD + ":" + partE + ":" + partF;
return mac-address;

}

丑陋。我对JS很新，我想知道是否有更简单的方法可以解决这个问题。

Ugly. I'm fairly new to JS and I am wondering if there is an easier way to do this that would work.

推荐答案

"XX:XX:XX:XX:XX:XX".replace(/X/g, function() {
  return "0123456789ABCDEF".charAt(Math.floor(Math.random() * 16))
});

jsfiddle http ：//jsfiddle.net/guest271314/qhbC9/

jsfiddle http://jsfiddle.net/guest271314/qhbC9/

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