id_rsa.pub

id_rsa.pub

ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDXFuM/WeBCRd7kXC+eWPBizqCu/tYhOaI/vwi+5lzh3Swdx+JMTLg7BiWElCfERJJplvXq8zXbeyueZ4wEQs4YaeWFE0sxdnMOPFLYkGOQXlEkEbwJQYcyJLryhGvQc0SkZ+bYeYJB6Ucm+2OzbA3NpBBJJX09YZz0RHHYp2wgk7skBLnLuhXYA72ZLudkBl8ZAuTbxTlxKx9tnyv0mTrW8/wdGbBgbgTHyYH7Ag23HzvfNa+WZ3kA1Wd4Tu2J4K9lFZe8W89T5iTyfetwAv5zobBqopa623un/4eNLa96Nc5xydv1hHWAEEJB7o2JdNaQYYoOE1oeRDl3bSrawnuZ zhuyuefeng0@outlook.com

strict.js

'use strict'
// strict Case
var abc = 2
console.log(abc)

// Unicode Case
console.log('\u4e2d\u6587')

//多行字符串的新表示方法
console.log(`
test
`)


// str sum .
var name = '小明'
var age = 20
var message = "你好, " + name + ", 你今年" + age + "岁了!"
console.log(`你好, ${name}, 你今年${age}岁了!`)

// str.length attribute
var s = "hello world"
console.log(s.length)

// str toUpperCase func
var toUpper = "hello"
console.log(toUpper.toUpperCase())

// str toLowerCase func
var toLower = "HELLO"
console.log(toLower.toLowerCase())

// str indexOf func
var indexOfCase = "hello world"
console.log(indexOfCase.indexOf("hello"))
// 返回7
console.log(indexOfCase.indexOf("World"))
// 不存在则返回-1


// str substring func
var substringCase = "hello world"
console.log(substringCase.substring(0, 5))
console.log(substringCase.substring(7))

// a case of substring && indexOf
console.log(substringCase.substring(substringCase.indexOf(' ')+1))

var arr = ['Microsoft', 'Apple', 'Yahoo', 'AOL', 'Excite', 'Oracle'];
// 从索引2开始删除3个元素,然后再添加两个元素:
arr.splice(2, 'Google', 'Facebook'); 
// 返回删除的元素 ['Yahoo', 'AOL', 'Excite']
console.log(arr); 
// ['Microsoft', 'Apple', 'Google', 'Facebook', 'Oracle']
// 只删除,不添加:
// arr.splice(2, 2); // ['Google', 'Facebook']
// arr; // ['Microsoft', 'Apple', 'Oracle']
// // 只添加,不删除:
// arr.splice(2, 0, 'Google', 'Facebook'); // 返回[],因为没有删除任何元素
// arr; // ['Microsoft', 'Apple', 'Google', 'Facebook', 'Oracle']