54 lines
1.0 KiB
JavaScript
54 lines
1.0 KiB
JavaScript
function inArray(arr, key, val) {
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if (!arr || !arr.length || typeof arr != 'object' || !Array.isArray(arr)) {
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return -1
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}
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for (let i = 0; i < arr.length; i++) {
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if (!key) {
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if (arr[i] == val) {
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return i
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}
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} else if (arr[i][key] === val) {
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return i
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}
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}
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return -1;
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}
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// ArrayBuffer转16进度字符串示例
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function ab2hex(buffer, split) {
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var hexArr = Array.prototype.map.call(
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new Uint8Array(buffer),
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function(bit) {
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return ('00' + bit.toString(16)).slice(-2)
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}
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)
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return hexArr.join(split);
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}
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//转16进制位数不足补0
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function toHex(num, length) {
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return num.toString(16).padStart(length, '0');
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}
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// 跳绳分秒时间选择
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function gethms(type) {
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var mindata = []
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var secondData = []
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let timeList = []
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for (var i = 0; i <= 59; i++) {
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i = i > 9 ? i : '0' + i
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mindata.push(i + '分');
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}
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for (var i = 0; i <= 59; i++) {
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i = i > 9 ? i : '0' + i
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secondData.push(i + '秒');
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}
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timeList[0] = mindata
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timeList[1] = secondData
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return timeList
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}
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module.exports = {
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inArray,
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ab2hex,
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toHex,
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gethms
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} |