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// version 1
function search(name) {
	name = name.replace(/[\[]/g, '\\\[').replace(/[\]]/g, '\\\]');
	name = encodeURIComponent(name);
	var regex = new Regex('[/?&]' + name + '=([^&#]*)');
	var results = regex.exec(window.location.search);
	return results === null ? '' : decodeURIComponent(results[1]);
}

// version 2

GZShi

#include <stdio.h>

struct str
{
	int len;
	char s[0];
};

struct foo
{

GZShi

// 简易ajax
function ajax(options) {
	var xhr = new XMLHttpRequest();

	xhr.open(options.type, options.url, true);

	xhr.send(options.data || '');

	xhr.onreadystatechange = function() {
		if(xhr.readyState === 4 && xhr.status === 200) {

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function mix(arrays) {
  if (arguments.length < 1) return [];

  var allElems = [];
  var repeatRegStr = [];

  for (var i = 0, len = arguments.length; i < len; ++i) {
    if (i === 0) {
      repeatRegStr.push('(-?(?!0\\d)\\d+(?:\\.\\d+|)(?:[eE][+-]?\\d+|))');
    } else {

GZShi

// 模拟费时的异步操作
function asyncCall(fn) {
	var t = (Math.random()*3 + 2) * 1000;
	setTimeout(function() {
		fn(t);
	}, t);
}

// 写日志
function trace(info) {

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function mulMatrix(a, b) {
	return [
		a[0]*b[0] + a[1]*b[2],
		a[0]*b[1] + a[1]*b[3],
		a[1]*b[0] + a[3]*b[2],
		a[1]*b[1] + a[3]*b[3]
	];
}

function powMatrix(a, n) {

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// 1. 打开 http://w.qq.com
// 2. 登录
// 3. 选择交谈对象
// 4. 进入控制台
// 5. 粘贴运行
// 6. Chrome

(function () {
	var textNode = $('#chat_textarea');
	var sendBtn = $('#send_chat_btn');

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U2FsdGVkX1+LjAu66wH3YKi/0y+/9zwmRH/m51CbZ6Xugm1vIskAIAuefSPRJbwI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var flattenWithReduce = (function () {
  function flatten(prev, curr, i, a) {
    var result;
    if(Array.isArray(curr)) {
      result = prev.concat(curr.reduce(flatten, []));
    } else {
      result = prev.concat(curr);
    }
    return result;
  }

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// ["  1 ", "2", "", "  ", "3", "4 ", "5  "]  => ["1", "2", "3", "4", "5"]

function foo(arr) {
  return arr.map(function (e) {
    return e.trim();
  }).filter(function (e) {
    return e.length > 0;
  });
}