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lyuehh

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lyuehh / closure.js
Created December 28, 2013 10:30
function fun1() {
var a = 1;
return function() {
return a++;
};
}
var add1 = fun1();
console.log(add1());
@lyuehh
lyuehh / quiz.md
Last active February 9, 2018 07:24
javascript quiz

part1

// http://dmitry.baranovskiy.com/post/91403200

//## 1
if (!("a" in window)) {
    var a = 1;
}
alert(a);
@lyuehh
lyuehh / context.js
Created December 31, 2013 06:28
var User = {
count: 1,
getCount: function() {
return this.count;
}
};
console.log(User.getCount());
@lyuehh
lyuehh / prototype.js
Created December 31, 2013 15:19
function Foo() {}
// Foo.prototype 是Object的一个实例
console.log(Foo.prototype.__proto__ === Object.prototype);
console.log(Foo.prototype.constructor === Foo);
var f1 = new Foo();
// f1是Foo的一个实例
console.log(f1.__proto__ == Foo.prototype);
console.log(f1.__proto__.constructor === Foo);
@lyuehh
lyuehh / top-5000-repos.20131219.csv
Created January 1, 2014 03:35
Rank Repository Language Stars
1 twbs/bootstrap JavaScript 62111
2 jquery/jquery JavaScript 27082
3 joyent/node JavaScript 26352
4 h5bp/html5-boilerplate CSS 23355
5 mbostock/d3 JavaScript 20715
6 rails/rails Ruby 20284
7 FortAwesome/Font-Awesome CSS 19506
8 bartaz/impress.js JavaScript 18637
9 angular/angular.js JavaScript 17994
@lyuehh
lyuehh / test.md
Created January 1, 2014 04:27
layout title date comments categories
post
命令行JSON,CSV数据处理工具简介
2014-01-01 11:03
true
json

简介

json现在是最流行的数据交换格式了,但是在命令行中显示, 查找, 处理, 还是不如纯文本方便, 但是有了下面这些工具, 处理json数据可以易如反掌了。。

@lyuehh
lyuehh / copy.js
Created January 1, 2014 14:00
function copy(obj) {
// if (Object.prototype.toString.call(obj) !== '[object Object]') {
if (typeof obj !== 'object') {
return;
}
var ret = obj.constructor === Object ? {} : [];
for (var i in obj) {
if (obj[i].constructor === Array) {
ret[i] = Array.prototype.slice.call(obj[i]);
@lyuehh
lyuehh / event.html
Last active January 1, 2016 23:58
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title></title>
<style type="text/css" media="all">
#a {display: block;width: 200px; margin: 10px;border: 1px solid #f00;}
#span {display:block; width: 100px; margin: 20px; border: 1px solid #0f0;}
</style>
</head>
@lyuehh
lyuehh / a.js
Created January 21, 2014 09:55
a = _.reduce($("tr"), function(memo, v, i) {
var $el = $(v);
var obj = {};
obj.id = $.trim($el.find('.end').text());
obj.date = $el.find('td').eq(1).text();
obj.red = $el.find('.STYLE13').html() && $el.find('.STYLE13').html().replace(/&nbsp;/g, ' ');
obj.blue = $el.find('.STYLE12').text();
if (obj.id !== '') {
memo.push(obj);
}
@lyuehh
lyuehh / save_img.js
Created January 24, 2014 08:27
var fs = require('fs');
var http = require('http');
http.get('http://img31.mtime.cn/CMS/Gallery/2014/01/01/162652.23483887_160X160.jpg', function(res) {
console.log("Got response: " + res.statusCode);
var fw = fs.createWriteStream('./img2.jpg', {flags: 'w', encoding: 'binary', mode: '0666'});
res.pipe(fw);
}).on('error', function(e) {
console.log("Got error: " + e.message);
});