I'm trying to write an object relationship that follows an observer pattern where the observer cares about a specific set of events that occur on the subject.    I'm not sure if this is 100% standard, but the way I've constructed it, thes...
I can not find how to implement this (I apologize for the freestyle record):  //assign the event handler for the object "myObj"      myObj.onMyEvent = //do something  //if something happened somewhere, then run the event MyEvent.fire();   The...
I am trying to understand the Observable/Observer design pattern.  This is the code I have so far (code from Javascript Patterns book):              var publisher = {             subscribers: {                 any: [] // event type: subscribers...
I'm trying to understand best practices for unobtrusive Javascript. Among the ideas of unobtrusive Javascript is that Javascript should not be directly included in the html code of the page, such as onchange=runScript(). Instead, an observer shou...
I'm trying to create my own 'modal' window since none of these currently existing for PrototypeJS fits my needs.  The problem is observing document.documentElement for change of height and width of viewport ( or document.body, depending o...
I'm trying to implement a simple Observer pattern within a Firefox extension. This initially appears relatively easy, but I thought it made sense to get the functionality from a library   JS.Observable seemed like a good option, but I found that...
(note: my original question was not linked to my openid - I am reposting here to be able to edit/update/respond accordingly - if anyone with access could remove the original question: /questions/1554916/how-to-use-the-livevalidation-javascript-librar...
I have a timestamp filter where a user can change start and end time. Which user changes either of the 2, subscribe callback works just fine. However, When the user changes both start and end time in one edit mode, my subscribing function gets called...
When we create observable object ,is it stored in heap ?     Is it wrapper object around source of data,either an array object or single value or events (it wraps source into an object and store it in memory) as a resource in memory?    Does it (obse...
In socket.io, will using "on" twice replace the older registration or will the event fire both listeners? Is it a generally consistent behavior with javascript "on" methods in general? And is there a reason there is no socket.io docum...

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