FrankFan

一、 基于class的继承， 用 funcion 实现

function Person(){
	this.name = 'person';
}

function Student(age, gender) {
	Person.apply(this, arguments);
	this.age = age;

FrankFan

```javascript
(function{
	if(window.DeviceMotionEvent) {
		alert('you');
		window.addEventListener('devicemotion', deviceMotionHandler, false);
	}else{
		alert('no');
	}

FrankFan

(function (modules) {
  // The module cache
  var installedModules = {};
  // The require function
  function __webpack_require__(moduleId) {
    // Check if module is in cache
    if (installedModules[moduleId]) {
      return installedModules[moduleId].exports;
    }
    // Create a new module (and put it into the cache)

FrankFan

/* 
用途：检查输入的Email信箱格式是否正确 
输入：strEmail：字符串 
返回：如果通过验证返回true,否则返回false 
*/
function checkEmail(strEmail) 
{
    //var emailReg = /^[_a-z0-9]+@([_a-z0-9]+\.)+[a-z0-9]{2,3}$/; 
    var emailReg = /^[\w-]+(\.[\w-]+)*@[\w-]+(\.[\w-]+)+$/;
    if ( emailReg.test(strEmail) ) {

FrankFan

/**
 * 导出csv文件
 * @see https://gist.github.com/dannypule/48418b4cd8223104c6c92e3016fc0f61
 */
class json2csv {
  exportCSVFile(headers, items, fileTitle) {
    if (headers) {
      items.unshift(headers);
    }

FrankFan

how to Run ?

see https://cli.vuejs.org/zh/guide/prototyping.html

# install 
npm install -g @vue/cli-service-global

# run
vue serve TodoApp.vue