yelin xincici

💭

wasting my life and just can not stop

xincici / iteratify.js

Last active September 25, 2019 06:01

destruct object use ... and get a list of data like { key: key, val: val }

	Object.prototype[Symbol.iterator] = function() {
	var self = this;
	var keys = Object.keys(this);
	var l = keys.length;
	var i = -1;
	return {
	next: function() {
	i++;
	var done = i >= l;
	var key = keys[i];

xincici / EventEmitter.js

Last active September 25, 2019 06:00

just one simple implementation of NodeJS EventEmitter module

	var assert = require('assert');
	var util = require('util');

	function on(thisArg, eventName, fn, isOnce, isPrepend) {
	assert(eventName && typeof fn === 'function', 'Need eventName and callback function');
	if (eventName !== 'newListener' \|\| thisArg.listenerCount('newListener')){
	thisArg.emit('newListener', eventName, fn);
	}
	if (thisArg.fns[eventName]) {
	if (thisArg.fns[eventName].length < thisArg.getMaxListeners()) {

xincici / flatObject.js

Last active July 16, 2018 07:16

flat an object

xincici / throttle-debounce

Created May 29, 2015 08:25

throttle and debounce functions extracted from underscore.js

	(function(){
	var _ = {};

	_.now = Date.now \|\| function(){
	return new Date().getTime();
	};

	// Returns a function, that, when invoked, will only be triggered at most once
	// during a given window of time. Normally, the throttled function will run
	// as much as it can, without ever going more than once per `wait` duration;

xincici / format

Created May 27, 2015 06:29

数字加千分位

	function format(num){
	return (num.toFixed(2) + '').replace(/\d{1,3}(?=(\d{3})+(\.\d*)?$)/g, '$&,');
	}

xincici / widthAndHeight

Last active September 17, 2015 03:00

关于网页宽高

	网页可见区域宽：window.innerWidth \|\| document.documentElement.clientWidth \|\| document.body.clientWidth
	网页可见区域高：window.innerHeight \|\| document.documentElement.clientHeight \|\| document.body.clientHeight

	文档高度：document.body.scrollHeight

	文档被滚动高度：document.body.scrollTop

xincici / add.js

Last active September 25, 2019 06:06

add function

	function add() {
	let sum = 0;
	Array.from(arguments).forEach(v => sum += v);
	function f() {
	Array.from(arguments).forEach(v => sum += v);
	return f;
	}
	f.toString = f.valueOf = function() {
	return +sum;
	}

xincici / loadScriptString

Created March 3, 2015 07:30

run script string

	//运行插入页面的javascript代码
	function loadScriptString(s){
	var a = document.createElement('script');
	a.type = 'text/javascript';
	var t = document.createTextNode(s);
	try{
	a.appendChild(t);
	}catch(e){
	a.text = s;
	}

xincici / lunarLeapMonthOfYear

Created February 26, 2015 09:26

js获取输入年的闰月

	function lunarLeapMonthOfYear(year){
	var table=[
	0x04bd8,0x04ae0,0x0a570,0x054d5,0x0d260,0x0d950,0x16554,0x056a0,0x09ad0,
	0x055d2,0x04ae0,0x0a5b6,0x0a4d0,0x0d250,0x1d255,0x0b540,0x0d6a0,0x0ada2,
	0x095b0,0x14977,0x04970,0x0a4b0,0x0b4b5,0x06a50,0x06d40,0x1ab54,0x02b60,
	0x09570,0x052f2,0x04970,0x06566,0x0d4a0,0x0ea50,0x06e95,0x05ad0,0x02b60,
	0x186e3,0x092e0,0x1c8d7,0x0c950,0x0d4a0,0x1d8a6,0x0b550,0x056a0,0x1a5b4,
	0x025d0,0x092d0,0x0d2b2,0x0a950,0x0b557,0x06ca0,0x0b550,0x15355,0x04da0,
	0x0a5d0,0x14573,0x052d0,0x0a9a8,0x0e950,0x06aa0,0x0aea6,0x0ab50,0x04b60,
	0x0aae4,0x0a570,0x05260,0x0f263,0x0d950,0x05b57,0x056a0,0x096d0,0x04dd5,

xincici / getXHR

Created February 26, 2015 09:24

get XMLHttpRequst Object

	function getXHR(){
	var xmlHttp = null;
	try {
	// Firefox, Opera 8.0+, Safari
	xmlHttp = new XMLHttpRequest();
	} catch (e) {
	// Internet Explorer
	try {
	xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
	} catch (e) {