function inArray(arr, key, val) {
	if (!arr || !arr.length || typeof arr != 'object' || !Array.isArray(arr)) {
		return -1
	}
	for (let i = 0; i < arr.length; i++) {
		if (!key) {
			if (arr[i] == val) {
				return i
			}
		} else if (arr[i][key] === val) {
			return i
		}
	}
	return -1;
}

// ArrayBuffer转16进度字符串示例
function ab2hex(buffer, split) {
	var hexArr = Array.prototype.map.call(
		new Uint8Array(buffer),
		function(bit) {
			return ('00' + bit.toString(16)).slice(-2)
		}
	)
	return hexArr.join(split);
}

//转16进制位数不足补0
function toHex(num, length) {
	return num.toString(16).padStart(length, '0');
}
// 跳绳分秒时间选择
function gethms(type) {
	var mindata = []
	var secondData = []
	let timeList = []
	for (var i = 0; i <= 59; i++) {
		i = i > 9 ? i : '0' + i
		mindata.push(i + '分');
	}
	for (var i = 0; i <= 59; i++) {
		i = i > 9 ? i : '0' + i
		secondData.push(i + '秒');
	}
	timeList[0] = mindata
	timeList[1] = secondData
	return timeList
}
module.exports = {
	inArray,
	ab2hex,
	toHex,
	gethms
}