Here in stackoverflow, if you started to make changes then you attempt to navigate away from the page, a javascript confirm button shows up and asks: "Are you sure you want to navigate away from this page?" blee blah bloo...  Has anyone imp...
I'm trying to send a chat message in Facebook using Javascript, but keep getting an error message. Either it being TypeError: Object #<NodeList> has no method 'WHATEVERIPUTHERE'  Basically o = the chat text area.  The o.WHATEVERIPUT...
I can't get a response from my content script to show up in my popup.html. When this code runs and the find button is clicked, "Hello from response!" prints, but the variable response is printed as undefined. The ultimate goal is to get t...
I am currently working on ajax, jquery and javascript. I have slight problems with it.  I can use this code to send the data and they are stored in the database. But the data will not be displayed directly after sending in the view, until I have relo...
I need a message script that will only come up when people are leaving the current webpage and not the current website.  When people are leaving the website entirely, the message will come up and they will need to press the OK button to stay at the c...
I have a JQuery function who add a Table in the JSP dynamically:  $('#add').click(function(event) {      event.preventDefault();  $('.tabela_procurador').before     ('<table id="tabela_nova' + i + '" class="...
So I want to do look a like stackoverflow with the message at the top.  Now I have all configured and such, but I got one problem.. The message only displays 1st time, second time it doesn't appear.   I know why, something about every id must be...
Does Message Channel work in Shared Workers? I want to create some kind of communication between several Shared Workers, so I took example from here and change it into this:  $(function() {  var worker1 = new SharedWorker("worker1.js"); var w...
I am currently developing a simple PHP application where users can send messages to each other. Messages are stored in a SQL database. I'd like to put a count of unread messages in the menu on every page, so that a user can see quickly if they ha...
I have found this Jsfiddle http://jsfiddle.net/HkEuf/2650/ which allow entering only numbers in input field. Now I want to put inside input field Placeholder which will also be error message (look at Jsfiddle).  Number : <input type="text"...

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