if540

/**
 * 去零
 * @param {number} value 輸入
 * @param {number} position 小數點第 N 位
 */
function zeroDisplay (value, position = 2) {
  let number = value * 1
  return isNaN(number) ? 0 : parseFloat(number.toFixed(position))
}

if540

/**
 * 取小數點第 N 位
 * @summary 末位四捨五入
 * @param {number} value 輸入
 * @param {number} position 小數點第 N 位
 */
function toPointFixed (value, position) {
  const decimalType = 10
  let decimalNumber = Math.pow(decimalType, position)
  return Math.round(value * decimalNumber) / decimalNumber

if540

import Radio from './Radio'
import Gropu from './Group'

Radio.Gropu = Gropu

Radio.install = function(Vue) {
  Vue.component(Radio.name, Radio
  Vue.component(Radio.Group.name, Radio.Group)
}

if540

const deepFlatten = arr => [].concat(...arr.map(v => (Array.isArray(v) ? deepFlatten(v) : v)));
// deepFlatten([1, [2], [[3], 4], 5]); // [1,2,3,4,5]

if540

/**
 * iscroll 被動事件偵聽器以提升滾動性能(ie not support)
 * source code : https://github.com/cubiq/iscroll/blob/master/demos/demoUtils.js
 * MDN : https://developer.mozilla.org/zh-CN/docs/Web/API/EventTarget/addEventListener#option%E6%94%AF%E6%8C%81%E7%9A%84%E5%AE%89%E5%85%A8%E6%A3%80%E6%B5%8B
 * passive google article : https://developers.google.com/web/tools/lighthouse/audits/passive-event-listeners?hl=zh-tw
 */
function isPassive () {
  var passiveSupported = false

  try {

if540

//  1554863406354 to Wed Apr 10 2019 10:29:26 GMT+0800 (台北標準時間)

function toUTC (value) {
  var date = new Date()
  if (value) {
    date = new Date(value)
  }
  var nowUtc = Date.UTC(date.getUTCFullYear(), date.getUTCMonth(), date.getUTCDate(),
    date.getUTCHours(), date.getUTCMinutes(), date.getUTCSeconds())
  return nowUtc

if540

git 教
- https://github.com/mylxsw/growing-up/blob/master/doc/%E7%A0%94%E5%8F%91%E5%9B%A2%E9%98%9FGIT%E5%BC%80%E5%8F%91%E6%B5%81%E7%A8%8B%E6%96%B0%E4%BA%BA%E5%AD%A6%E4%B9%A0%E6%8C%87%E5%8D%97.md
- https://kingofamani.gitbooks.io/git-teach/content/chapter_3_branch/git.html

C# https://docs.microsoft.com/zh-tw/dotnet/csharp/language-reference/keywords/enum

canvas flash 分層 - https://www.ibm.com/developerworks/cn/web/wa-canvashtml5layering/index.html

UIUX class - https://xue.uisdc.com/ixd/

if540

// 檢試是否為行動裝置
function isMobile() {
  if( /Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i.test(navigator.userAgent)) {
    retrun true
  } else {
    return false
  }
}

if540

function toPointFixed(value, position) {
  const decimalType = 10;
  let decimalNumber = Math.pow(decimalType, position)
  return Math.floor(value * decimalNumber) / decimalNumber
}

if540

/* cssTable */
.c-cssTable
	display: table

	+has(thead)
		display: table-header-group

	+has(tbody)
		display: table-row-group