¡@
javascript Programming Glossary: orHow do JavaScript closures work? http://stackoverflow.com/questions/111102/how-do-javascript-closures-work do JavaScript closures work Like the old Albert Einstein said If you can't explain it.. improve this question Whenever you see the function keyword within another function the inner function has access to variables.. . That is a closure. A function doesn't have to return in order to be called a closure. Simply accessing variables outside..
Access / process (nested) objects, arrays or JSON http://stackoverflow.com/questions/11922383/access-process-nested-objects-arrays-or-json process nested objects arrays or JSON I have a nested data structure containing objects and.. containing objects and arrays. How can I extract the information i.e. access a specific or multiple values or keys For.. How can I extract the information i.e. access a specific or multiple values or keys For example var data code 42 items id..
var functionName = function() {} vs function functionName() {} http://stackoverflow.com/questions/336859/var-functionname-function-vs-function-functionname features and also trying to tidy up the code and make it more consistent. The previous developer uses two ways of declaring.. uses two ways of declaring functions and I can't work out if there is a reason behind it or not. The two ways are.. and I can't work out if there is a reason behind it or not. The two ways are var functionOne function Some code function..
Does it matter which equals operator (== vs ===) I use in JavaScript comparisons? http://stackoverflow.com/questions/359494/does-it-matter-which-equals-operator-vs-i-use-in-javascript-comparisons it matter which equals operator vs I use in JavaScript comparisons I'm using JSLint to go through.. comparisons I'm using JSLint to go through some horrific JavaScript at work and it's returning a huge number of.. using JSLint to go through some horrific JavaScript at work and it's returning a huge number of suggestions to replace..
http://stackoverflow.com/questions/5874652/prop-vs-attr vs .attr So jQuery 1.6 has the new function prop . selector .click function instead of this.getAttribute 'style' do i use.. of this.getAttribute 'style' do i use this .prop 'style' or this .attr 'style' or in this case do they do the same thing.. 'style' do i use this .prop 'style' or this .attr 'style' or in this case do they do the same thing And if I do have to switch..
How can I get query string values in JavaScript? http://stackoverflow.com/questions/901115/how-can-i-get-query-string-values-in-javascript less way of retrieving query string values via jQuery or without If so how If not is there a plugin which can do so .. share improve this question You don't need jQuery for that purpose. You can use vanilla JavaScript function getParameterByName..
Events triggered by dynamically generated element are not captured by event handler http://stackoverflow.com/questions/12829963/events-triggered-by-dynamically-generated-element-are-not-captured-by-event-hand 'input' function handler this .val name this .attr 'name' Or in older versions If version 1.6 or below note the selector..
What does “use strict” do in JavaScript, and what is the reasoning behind it? http://stackoverflow.com/questions/1335851/what-does-use-strict-do-in-javascript-and-what-is-the-reasoning-behind-it Also note you can apply strict mode to the whole file... Or you can use it only for a specific function still quoting from..
'innerText' works in IE, but not in Firefox http://stackoverflow.com/questions/1359469/innertext-works-in-ie-but-not-in-firefox does not work in Firefox. Is there some Firefox equivalent Or is there a more generic cross browser property that can be used..
jQuery Mobile: document ready vs page events http://stackoverflow.com/questions/14468659/jquery-mobile-document-ready-vs-page-events role content div content div page body html Solution 2 Or you can create a persistent javascript object for a storage..
Explain JavaScript's encapsulated anonymous function syntax http://stackoverflow.com/questions/1634268/explain-javascripts-encapsulated-anonymous-function-syntax expression without a name defined function alert 2 2 Or named function expression function foo alert 2 2 The Parentheses..
http://stackoverflow.com/questions/2699277/post-data-to-jsonp data to JsonP Is it possible to post data to JsonP Or does all data have to be passed in the querystring as a GET..
Is JavaScript 's “new” Keyword Considered Harmful? [closed] http://stackoverflow.com/questions/383402/is-javascript-s-new-keyword-considered-harmful that manually assigns each method to each new object... Or I could assign them to the creation function's prototype and.. the thought of broken code silently working bothers you. Or as some commented use the check to introduce a runtime exception..
When to use Vanilla JavaScript vs. jQuery? http://stackoverflow.com/questions/4651923/when-to-use-vanilla-javascript-vs-jquery accomplished easier without bringing jQuery into the mix. Or is this a rare case of a jQuery shortcut actually requiring..
What is console.log and how do I use it? [duplicate] http://stackoverflow.com/questions/4743730/what-is-console-log-and-how-do-i-use-it console through Safari in OS X if you plug in your device. Or you can do so with the emulator simply open a Safari browser..
http://stackoverflow.com/questions/476679/preloading-images-with-jquery imageName.jpg' 'img anotherOne.jpg' 'img blahblahblah.jpg' Or if you want a jQuery plugin .fn.preload function this.each function..
http://stackoverflow.com/questions/500431/javascript-variable-scope the same scope inside as opposed to outside a function Or does it even matter Also where are the variables stored if they..
How to remove the space between inline-block elements? http://stackoverflow.com/questions/5078239/how-to-remove-the-space-between-inline-block-elements li li Item 3 li ul http jsfiddle.net thirtydot dGHFV 1362 Or this ul li Item 1 li li Item 2 li li Item 3 li ul Or use comments.. 1362 Or this ul li Item 1 li li Item 2 li li Item 3 li ul Or use comments ul li Item 1 li li Item 2 li li Item 3 li ul Or.. use comments ul li Item 1 li li Item 2 li li Item 3 li ul Or you can even skip certain closing tags entirely all browsers..
How to create a <style> tag with Javascript http://stackoverflow.com/questions/524696/how-to-create-a-style-tag-with-javascript way to create a style tag that is nicer works with Chrome Or maybe this is a non standard thing I should avoid three working..
http://stackoverflow.com/questions/73960/dropdownlist-width-in-ie in combination with this piece of CSS select width 150px Or whatever width you want. select.expand width auto All you need..
jQuery/Javascript to replace broken images http://stackoverflow.com/questions/92720/jquery-javascript-to-replace-broken-images return true img src image.png onerror imgError this Or without a JavaScript function img src image.png onError this.onerror..
For each in an array. How to do that in JavaScript? http://stackoverflow.com/questions/9329446/for-each-in-an-array-how-to-do-that-in-javascript for key in a if arrayHasOwnIndex a key console.log a key Or if you're interested in just a good enough for most cases test..
Custom attributes - Yea or nay? http://stackoverflow.com/questions/992115/custom-attributes-yea-or-nay any issues pitfalls to worry about using this approach Or is it simply a 'harmless' invalidation of the current W3C specs..
What is the difference between the mouseover and mouseenter events? http://stackoverflow.com/questions/1104344/what-is-the-difference-between-the-mouseover-and-mouseenter-events element when you are over it coming from either its child OR parent element but a mouse enter event only occurs when the..
Href attribute for JavaScript links: “#” or “javascript:void(0)”? http://stackoverflow.com/questions/134845/href-attribute-for-javascript-links-or-javascriptvoid0 in HTML markup look like this onclick someFunc.call this OR onclick someFunc.apply this arguments Using javascript void.. that as well as not throwing an error it returns false. OR Use href javascript void 0 The second is clearly much easier..
Google Maps API v3: How to remove all markers? http://stackoverflow.com/questions/1544739/google-maps-api-v3-how-to-remove-all-markers i markersArray i .setMap null markersArray.length 0 OR google.maps.Map.prototype.clearOverlays function for var i 0..
Load and execution sequence of a web page? http://stackoverflow.com/questions/1795438/load-and-execution-sequence-of-a-web-page type text javascript CDATA alert #mydiv .html script OR script type text javascript CDATA window .ready function alert..
JavaScript OR (||) variable assignment explanation http://stackoverflow.com/questions/2100758/javascript-or-variable-assignment-explanation OR variable assignment explanation Given this snippet of JavaScript.....
What does this construct (x = x || y) mean? http://stackoverflow.com/questions/2802055/what-does-this-construct-x-x-y-mean give me an hint why this guy is using var title title 'ERROR' javascript share improve this question It means the title.. expressions is common in Perl too. With the expression a OR b it evaluates to true if either a or b is true . So if a is..
What does “options = options || {}” mean in Javascript? http://stackoverflow.com/questions/2851404/what-does-options-options-mean-in-javascript will be initialized with an empty object. The Logical OR operator will return its second operand if the first one is..
In Javascript, what does it mean when there is a logical operator in a variable declaration? http://stackoverflow.com/questions/3088098/in-javascript-what-does-it-mean-when-there-is-a-logical-operator-in-a-variable always a boolean result as in other languages. The Logical OR operator returns the value of its second operand if the first..
When to use setAttribute vs .attribute= in JavaScript? http://stackoverflow.com/questions/3919291/when-to-use-setattribute-vs-attribute-in-javascript class nameOfClass and myObj.className nameOfClass OR myObj.setAttribute id someID and myObj.id someID etc Thank you...
How to get the file name from a full path using JavaScript? http://stackoverflow.com/questions/423376/how-to-get-the-file-name-from-a-full-path-using-javascript
Programmatically open new pages on Tabs http://stackoverflow.com/questions/427479/programmatically-open-new-pages-on-tabs window name will open in a new browser window like a popup OR open in a new tab if the user configured the browser to do so...
null coalescing operator for javascript? http://stackoverflow.com/questions/476436/null-coalescing-operator-for-javascript of the C# null coalescing operator is using a logical OR var whatIWant someString Cookies There are cases clarified below..
Prevent scrolling of parent element? http://stackoverflow.com/questions/5802467/prevent-scrolling-of-parent-element that box with the mouse wheel and reaching the bottom OR top the parent element takes over the scroll request The document..
How to use javascript variables in jquery selectors http://stackoverflow.com/questions/5891840/how-to-use-javascript-variables-in-jquery-selectors jquery share improve this question # this.id .hide OR you can do something like this. var id this.id '#' id .hide.. can do something like this. var id this.id '#' id .hide OR you can give some effect also. # this.id .slideUp If you want..
What is the difference between screenX/Y, clientX/Y and pageX/Y? http://stackoverflow.com/questions/6073505/what-is-the-difference-between-screenx-y-clientx-y-and-pagex-y for iPad Safari are the calculations similar as on desktop OR there is some difference because of viewport It would be great..
How to check IF user has ALREADY liked the facebook page? http://stackoverflow.com/questions/7397724/how-to-check-if-user-has-already-liked-the-facebook-page content. rather than displaying the greyed out like button OR If the user is not logged in to facebook and they click the..
Best practice: escape, or encodeURI / encodeURIComponent http://stackoverflow.com/questions/75980/best-practice-escape-or-encodeuri-encodeuricomponent the best practice to use from javascript Use escape escape OR use encodeURI encodeURIComponent encodeURI http www.google.com..
JavaScript DOMParser access innerHTML and other properties http://stackoverflow.com/questions/9250545/javascript-domparser-access-innerhtml-and-other-properties Grey http eligrey.com Public domain. NO WARRANTY EXPRESSED OR IMPLIED. USE AT YOUR OWN RISK. @source https gist.github.com..
|