js浏览器唯一标识

pc

function cans() {
var canvas = document.createElement('canvas');
var ctx = canvas.getContext('2d');
var txt = 'http://security.tencent.com/';
ctx.textBaseline = "top";
ctx.font = "14px 'Arial'";
ctx.textBaseline = "tencent";
ctx.fillStyle = "#f60";
ctx.fillRect(125, 1, 62, 20);
ctx.fillStyle = "#069";
ctx.fillText(txt, 2, 15);
ctx.fillStyle = "rgba(102, 204, 0, 0.7)";
ctx.fillText(txt, 4, 17);
 
var b64 = canvas.toDataURL().replace("data:image/png;base64,", "");
var bin = atob(b64);
var crc = bin2hex(bin.slice(-16, -12));
//var crc = bin.slice(-16,-12);
alert(crc);
}
 
function bin2hex(str) {
var result = "";
for (i = 0; i < str.length; i++) {
result += int16_to_hex(str.charCodeAt(i));
}
return result;
}
 
function int16_to_hex(i) {
var result = i.toString(16);
var j = 0;
while (j + result.length < 4) {
result = "0" + result;
j++;
}
return result;
}

移动端

fingerprint(){
    FingerprintJS.load().then(fp => {
         fp.get().then(result => {
             const visitorId = result.visitorId;
             // console.log(visitorId);
             this.myMAC = visitorId;
         })
    })
},

https://blog.csdn.net/z5976749/article/details/88573570

https://blog.csdn.net/JiangYunWen34/article/details/109629694