function compareVersion(v1, v2) {
v1 = v1.split('.')
v2 = v2.split('.')
const len = Math.max(v1.length, v2.length)
// 调整两个版本号位数相同
while (v1.length < len) {
v1.push('0')
}
while (v2.length < len) {
v2.push('0')
}
// 循环判断每位数的大小
for (let i = 0; i < len; i++) {
const num1 = parseInt(v1[i])
const num2 = parseInt(v2[i])
if (num1 > num2) {
return 1
} else if (num1 < num2) {
return -1
}
}
return 0
}
compareVersion('1.11.0', '1.9.9') // 1
