lirongfei123’s gists

lirongfei123 / chat.html

Created May 1, 2017 08:32 — forked from orkaplan/chat.html

simple node.js socket.io client/server example

	<html>
	<head>
	<title>Node.js IL Chat</title>
	<script type="text/javascript" src="/jquery-1.6.4.min.js"></script>
	<script type="text/javascript" src="/socket.io/socket.io.js"></script>
	<script language="javascript">
	var socket;

	$(document).ready(function()
	{

lirongfei123 / chat.html

Created May 1, 2017 08:32 — forked from orkaplan/chat.html

simple node.js socket.io client/server example

	<html>
	<head>
	<title>Node.js IL Chat</title>
	<script type="text/javascript" src="/jquery-1.6.4.min.js"></script>
	<script type="text/javascript" src="/socket.io/socket.io.js"></script>
	<script language="javascript">
	var socket;

	$(document).ready(function()
	{

lirongfei123 / mac app store 打不开的解决方案

Created September 24, 2016 03:16

defaults write com.apple.appstore ShowDebugMenu -bool true

lirongfei123 / css loading 代码

Created September 21, 2016 08:40

lirongfei123 / 网页中的细节交互.md

Created September 21, 2016 08:01

lirongfei123 / 递归

Created September 20, 2016 11:40

	// returns true if the element or one of its parents has the class classname
	function hasSomeParentTheClass(element, classname) {
	if (element.className.split(' ').indexOf(classname)>=0) return true;
	return element.parentNode && hasSomeParentTheClass(element.parentNode, classname);
	}

lirongfei123 / 复制html标签属性

Created September 20, 2016 06:50

	function cloneImg (elem) {
	var imgNode = document.createElement("div");
	var attributes = elem.attributes;
	for (var i in attributes) {
	if(!attributes.hasOwnProperty(i)) {
	continue;
	}
	var attr = attributes[i];
	if(attr.name == 'class') {
	imgNode.className = attr.value;

lirongfei123 / 匹配汉字

Last active September 21, 2016 08:39

正则表达式



	然后把范围扩大到^[\u2E80-\u9FFF]+$, 这样倒是都通过了, 这个应该就是匹配中日韩文字的正则表达式了, 包括我們臺灣省還在盲目使用的繁體中文

	而关于中文的正则表达式, 应该是^[\u4E00-\u9FFF]+$, 和论坛里常被人提起的^[\u4E00-\u9FA5]+$很接近



	这里是几个主要非英文语系字符范围

lirongfei123 / 获取字符串的字节长度

Created September 20, 2016 03:59

	function getStringMemorySize(_string) {
	"use strict";
	var codePoint, accum = 0;
	for (var stringIndex = 0, endOfString = _string.length; stringIndex < endOfString; stringIndex++) {
	codePoint = _string.charCodeAt(stringIndex);

	if (codePoint < 0x100) {
	accum += 1;
	continue;
	}