Grassboy’s gists

Grassboy / .js

Created June 26, 2019 08:14

which_is_faster.js

	console.time('p1');
	var data, n = 1000000;
	for(var i = 0 ; i < n; i ++) data = { foo: 123, bar: i };
	console.timeEnd('p1');
	console.time('p2');
	for(var i = 0 ; i < n; i ++) data = JSON.parse("{\"foo\":123,\"bar\":"+i+"}");
	console.timeEnd('p2');
	//p1: 872ms - 計時器停止
	//p2: 1900ms - 計時器停止

Grassboy / MathQuestion.js

Created January 6, 2017 12:07

	var valid_list = [];
	var diffCount = function(a, b) {
	var result = 0;
	if(parseInt(a/100000)%10 != parseInt(b/100000)%10) result++;
	if(parseInt(a/10000)%10 != parseInt(b/10000)%10) result++;
	if(parseInt(a/1000)%10 != parseInt(b/1000)%10) result++;
	if(parseInt(a/100)%10 != parseInt(b/100)%10) result++;
	if(parseInt(a/10)%10 != parseInt(b/10)%10) result++;
	if(parseInt(a/1)%10 != parseInt(b/1)%10) result++;
	return result;

Grassboy / jQuery.node.example.js

Created August 23, 2016 17:29

Node.js 下的 jQuery 起手式範例(ajax已可跨網域)

	var jsdom = require('jsdom');
	var $ = require('jquery')(jsdom.jsdom('<html></html>').defaultView);
	var XMLHttpRequest = require('xmlhttprequest').XMLHttpRequest;

	parseHTML = function(html){
	//this extract body function may have a bug
	var html = '<body'+html.split('<body')[1].split('</body>')[0]+'</body>'
	return $(html);
	};

Grassboy / PromisePool.v2.js

Created August 19, 2016 08:11

	//{{ PromisePool
	/* Usage:
	var promise_pool = new PromisePool([concurrency_limit]);
	* concurrency_limit: n of concurrency promices executions
	generate a PromisePool

	promise_pool.push(fn);
	* function: the function to generate promise object
	push a function into PromisePool, this functipn will generate promise object
	but the real Promise object has NOT been generated yet

Grassboy / PromisePool.js

Created August 16, 2016 11:10

	//{{ PromisePool
	/* Usage:
	var promise_pool = new PromisePool([concurrency_limit]);
	* concurrency_limit: n of concurrency promices executions
	generate a PromisePool

	promise_pool.push(function, args);
	* function: the function to generate promise object
	* args: the arguments array of function
	push a promise object into PromisePool, but the real Promise object has NOT been generated yet

Grassboy / getLikesTopN.js

Created February 25, 2016 11:07

取得臉書所有照片按讚數排名

	//取得自己牆上按讚數排行
	/*
	使用方式，
	0. 安裝 gClipboard: https://addons.mozilla.org/zh-TW/firefox/addon/grassboy-clipboard/
	1. 到 https://www.facebook.com/[你的臉書id]/photos_all 進入你的相片頁，並捲開所有相片
	2. Firefox 下按 Shift+F4
	3. 貼入這整段文字
	4. 頁面會將結果複製到剪貼簿裡
	5. 貼到記事本，就是你所有相片的按讚數排名了~
	*/

Grassboy / endomondo.getPath.js

Last active September 30, 2018 22:48

	//Get the dataURL of Endomondo's Map Path
	//requirement: jQuery
	javascript: (function() {
	var input = $('#wokoutMapContainer .gm-style div:first div:first')[0];
	var final = {
	x1: Number.MAX_VALUE,
	y1: Number.MAX_VALUE,
	x2: Number.MIN_VALUE,
	y2: Number.MIN_VALUE
	};

Grassboy / gDataURL.js

Last active October 29, 2015 03:10

get the dataURL of specific url

	var gDataURL = function(opts){
	opts = opts \|\| {};
	opts.onload = opts.onload \|\| function(r){
	console.log(r);
	};
	opts.url = opts.url \|\| location.href;

	var oReq = new XMLHttpRequest();
	oReq.open("GET", opts.url, true);
	oReq.responseType = "blob";

Grassboy / WTF error.txt

Created August 28, 2015 08:38

	Handler function threw an exception: [Exception... "Component returned failure code: 0x80004002 (NS_NOINTERFACE) [nsIWebProgress.DOMWindow]" nsresult: "0x80004002 (NS_NOINTERFACE)" location: "JS frame :: resource://gre/modules/commonjs/toolkit/loader.js -> resource://gre/modules/devtools/server/actors/webbrowser.js :: TabActor.prototype._docShellsToWindows/< :: line 1132" data: no]
	Stack: TabActor.prototype._docShellsToWindows/<@resource://gre/modules/commonjs/toolkit/loader.js -> resource://gre/modules/devtools/server/actors/webbrowser.js:1132:11
	TabActor.prototype._docShellsToWindows@resource://gre/modules/commonjs/toolkit/loader.js -> resource://gre/modules/devtools/server/actors/webbrowser.js:1129:1
	TabActor.prototype._notifyDocShellsUpdate@resource://gre/modules/commonjs/toolkit/loader.js -> resource://gre/modules/devtools/server/actors/webbrowser.js:1155:19
	TabActor.prototype._onDocShellCreated/<@resource://gre/modules/commonjs/toolkit/loader.js -> resource://gre/modules/devtools/server/actors/webbro

Grassboy / barbaba.js

Created July 1, 2015 15:30

	var div = $('<div class="item" data-foo="bar">');
	alert(div.data('foo'));
	div.attr('data-foo', 'barbarbar');
	alert(div.data('foo'));

yobssarG m'I Grassboy