Kang Chen rainyjune

rainyjune / chrome_developer_tools_watch_expressions.html

Created November 3, 2012 07:30

Chrome Developer Tools 的 Watch Expressions 功能

	<!DOCTYPE html>
	<html>
	<head>
	<meta charset="utf-8">
	<title>Chrome Developer Tools</title>
	</head>
	<body>
	<a href="#">click</a>
	<script type="text/javascript">
	var a = 123;

rainyjune / gist:4006685

Created November 3, 2012 09:15

JavaScript Try Catch

	<!DOCTYPE html>
	<html>
	<head>
	<meta charset="utf-8">
	<title>Chrome Developer Tools</title>
	</head>
	<body>
	<a href="#" id="c">click</a>
	<script type="text/javascript">
	function t(x){

rainyjune / gist:4015059

Created November 5, 2012 02:56

JavaScript Object Property Attributes

rainyjune / gist:4015316

Created November 5, 2012 04:31

Hosts file

rainyjune / gist:4015368

Last active October 12, 2015 10:48

DOM selector

	//Returns an object reference to the identified element.
	function id(i){
	return document.getElementById(i);
	}
	//Returns a list of elements with the given tag name.
	function tagName(t){
	return document.getElementsByTagName(t);
	}
	//Returns a list of elements with the given name.
	function name(n){

rainyjune / gist:4084886

Created November 16, 2012 06:48

The best way to retry an AJAX request on failure using jQuery

	$.ajax({
	url : 'someurl',
	type : 'POST',
	data : ....,
	tryCount : 0,
	retryLimit : 3,
	success : function(json) {
	//do something
	},
	error : function(xhr, textStatus, errorThrown ) {

rainyjune / gist:4084898

Created November 16, 2012 06:50

cancel/abort jquery ajax request

rainyjune / gist:4088442

Last active October 12, 2015 21:18

.vimrc file

rainyjune / gist:4388960

Created December 27, 2012 15:05

Querying the scrollbar positions of a window

	// Return the current scrollbar offsets as the x and y properties of an object
	function getScrollOffsets(w) {
	// Use the specified window or the current window if no argument
	w = w \|\| window;
	// This works for all browsers except IE versions 8 and before
	if (w.pageXOffset != null) return {x: w.pageXOffset, y:w.pageYOffset};
	// For IE (or any browser) in Standards mode
	var d = w.document;
	if (document.compatMode == "CSS1Compat") return {x:d.documentElement.scrollLeft, y:d.documentElement.scrollTop};
	// For browsers in Quirks mode

rainyjune / gist:4394233

Created December 28, 2012 03:31

Asynchronously load and execute a script from a specified URL

	// Asynchronously load and execute a script from a specified URL
	function loadasync(url) {
	var head = document.getElementsByTagName("head")[0]; // Find document <head>
	var s = document.createElement("script"); // Create a <script> element
	s.src = url; // Set its src attribute
	head.appendChild(s); // Insert the <script> into head
	}