模板字符串、多行字符串

函數(shù)默認(rèn)值、解構(gòu)函數(shù)

集成原型新方式：object.create

箭頭函數(shù)

promise

變量的聲明方式：let const

類的聲明：class , 繼承關(guān)鍵字： extends

module import export 用法

Generatro 異步函數(shù)? *? jield? 異步操作同步化表達(dá)，執(zhí)行權(quán)交替來實(shí)現(xiàn)異步編程

function* main() {

? var result = yield request("http://some.url");

? var resp = JSON.parse(result);

console.log(resp.value);

}

function request(url) {

? makeAjaxCall(url, function(response){

it.next(response);

? });

}

var it = main();

it.next();

//參考：http://m.itdecent.cn/p/c7f4129d7794

function* longRunningTask(value1) {

? try {

var value2 = yield step1(value1);

var value3 = yield step2(value2);

var value4 = yield step3(value3);

var value5 = yield step4(value4);

// Do something with value4

? } catch (e) {

// Handle any error from step1 through step4

? }

}

scheduler(longRunningTask(initialValue));

function scheduler(task) {

? var taskObj = task.next(task.value);

? // 如果Generator函數(shù)未結(jié)束，就繼續(xù)調(diào)用

? if (!taskObj.done) {

task.value = taskObj.value

scheduler(task);

? }

}