javascript Programming Glossary: exist

http://stackoverflow.com/questions/11186750/memory-leak-risk-in-javascript-closures

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

the element where you bind your event handler must already exist at the time the handler is bound so for dynamically generated..

In jQuery, how to attach events to dynamic html elements?

http://stackoverflow.com/questions/1359018/in-jquery-how-to-attach-events-to-dynamic-html-elements

no closer static surrounding tag but any parent tag that exists when the .on method call occurs will work. For instance a ul.. 'li' function alert this .text As long as the ul tag exists this will work no li elements need exist yet . share improve..

Why does jQuery or a DOM method such as `getElementById` not find the element?

http://stackoverflow.com/questions/14028959/why-does-jquery-or-a-dom-method-such-as-getelementbyid-not-find-the-element

and simple Because the elements you are looking for do not exist. For the remainder of this answer I will use getElementById.. Reasons There are two reasons why an element might not exist An element with the passed ID really does not exist in the document... not exist An element with the passed ID really does not exist in the document. You should double check that the ID you pass..

Prototypical inheritance - writing up [duplicate]

http://stackoverflow.com/questions/16063394/prototypical-inheritance-writing-up

when writing up and adding a new property which doesn't exist the interpreter will go up the prototype chain until it finds..

Change an element's CSS class with JavaScript

http://stackoverflow.com/questions/195951/change-an-elements-css-class-with-javascript

To change all classes for an element To replace all existing classes with one or more new classes set the className attribute.. To add a class to an element without removing affecting existing values append a space and the new classname like so document.getElementById.. also be used as a check as to whether a particular class exists if document.getElementById MyElement .className.match ^ s MyClass..

How can you check for a #hash in a URL using JavaScript?

http://stackoverflow.com/questions/298503/how-can-you-check-for-a-hash-in-a-url-using-javascript

jQuery Set Cursor Position in Text Area

http://stackoverflow.com/questions/499126/jquery-set-cursor-position-in-text-area

a similar function setCaretPosition. Does a similar method exist for javascript Update I modified CMS's code to work with jQuery..

YouTube iframe API: how do I control a iframe player that's already in the HTML?

http://stackoverflow.com/questions/7443578/youtube-iframe-api-how-do-i-control-a-iframe-player-thats-already-in-the-html

if domReady iframe DOM is ready and iframe does not exist. Log a message window.console console.log 'callPlayer Frame.. like onYouTubePlayerReady if func.call return func Frame exists send message iframe.contentWindow.postMessage JSON.stringify..

Why is null an object and what's the difference between null and undefined?

http://stackoverflow.com/questions/801032/why-is-null-an-object-and-whats-the-difference-between-null-and-undefined

know. In short undefined is where no notion of the thing exists it has no type and it's never been referenced before in that.. before in that scope null is where the thing is known to exist but it's not known what the value is. One thing to remember..

Turning live() into on() in jQuery

http://stackoverflow.com/questions/8021436/turning-live-into-on-in-jquery

bound only to the currently selected elements they must exist on the page at the time your code makes the call to .on . Equivalent..

jQuery .live() vs .on() method for adding a click event after loading dynamic html

http://stackoverflow.com/questions/8752321/jquery-live-vs-on-method-for-adding-a-click-event-after-loading-dynamic-ht

to the #parent object even when the #child object does not exist yet but when it later exists and gets clicked on the click event.. the #child object does not exist yet but when it later exists and gets clicked on the click event will bubble up to the #parent..

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

to loop because it only loops for entries that actually exist. E.g. for the array above we loop a total of three times for..