話不多說上代碼,喜歡請點贊
function versionSizeComparison_ (v1, v2) {
/**
* @value 1 表示大
* @value -1 表示小
* @value 0 表示相等
*/
let comparison = 0
let v1Arr = v1.split('.')
let v2Arr = v2.split('.')
let foreachNum = v1Arr.length < v2Arr.length ? v2Arr.length : v1Arr.length
for (let i = 0; i < foreachNum; i++) {
if (!v2Arr[i] || Number(v1Arr[i]) > Number(v2Arr[i])) {
comparison = 1
break
}
if (!v1Arr[i] || Number(v1Arr[i]) < Number(v2Arr[i])) {
comparison = -1
break
}
}
return comparison
}
OK 使用方法:
versionSizeComparison_('1.1', '2.1')
大於則返回 1 小於則返回 -1 等於 返回0