SOURCE

var makeCRCTable = function () {
    var c;
    var crcTable = [];
    for (var n = 0; n < 256; n++) {
        c = n;
        for (var k = 0; k < 8; k++) {
            c = ((c & 1) ? (0xEDB88320 ^ (c >>> 1)) : (c >>> 1));
        }
        crcTable[n] = c;
    }
    return crcTable;
}

var crc32 = function (str) {
    var crcTable = makeCRCTable();
    var crc = 0 ^ (-1);

    for (var i = 0; i < str.length; i++) {
        crc = (crc >>> 8) ^ crcTable[(crc ^ str.charCodeAt(i)) & 0xFF];
    }

    return (crc ^ (-1)) >>> 0;
};
let count0 = 1;
let name = "蛋了个蛋";
let time1 = 10;
var result = crc32(count0 + "||" + name + "||" + time1);
console.log(result)