Javascript tips Archives - Wildeng TechDad

Javascript tips

February 26, 2015 By wildeng

Javascript tip of the day Hello folks, I want to share with you my Javascript tip of the day. Have you ever wondered how to unselect a selected value in a dropdown lis using JQuery? Really simple: $("option:selected").prop("selected", false); Nice uh? Nice and simple! But wait, here is another Javascript tip of the day! What […]

Javascript tips

3 reasons why you should let Google host jQuery for you

January 2, 2015 By wildeng

Nice article about how to improve performance of a website using JQuery. All too often, I find code similar to this when inspecting the source for public websites that use jQuery: via 3 reasons why you should let Google host jQuery for you.

Javascript tips

JQuery tip of the day

April 21, 2014 By wildeng

Do you want to select an element without knowing it’s complete ID using JQuery? There is a useful feature available using wildcards and regexp: search an element whose id starts with: $(“[id^=’+prefix+’]”) search an element whose id ends with: $(“[id$=’+prefix+’]”) Enjoy!!

Javascript tips

Create a basic slide show with JQuery and CSS

September 28, 2013 By wildeng

Hello folks, Today I’d like to talk about how I used jQuery , HTML and CSS to build a simple slide show. Obviously this is only a wire frame so, it’s up to you making it beautiful!! So, open your favourite editor and let’s start. The problem: At job I had to display a bunch […]

Javascript tips

Using Node.js and Twitter Stream API

May 30, 2013 By wildeng

Hello folks, I know I don’t have a frequent blogging experience, but my second son just arrived and being a dad is not so easy so, I didn’t have too much time to write. During the small amount of time left , I tried out Node.js a powerful platform built on Chrome JavaScript’s runtime, which […]

Javascript tips

IE Javascript error: document.getElementById

January 31, 2013 By wildeng

Hello, this post saved my day: IE Javascript error: document.getElementById. Enjoy!

Javascript tips

Force a file download after an ajax request

January 26, 2013 By wildeng

Hello, Today I’d like to show you how to force the download of a file using an ajax request, since I think that this is a common problem. Because of the nature of ajax, it’s not possible to download a file during an asynchronous request. What can be done instead is using a combination of […]

Javascript tips

Select/Deselect a bunch of checkboxes using jQuery

September 26, 2012 By wildeng

Hi to everyone, I’d like to show what’s my solution to Select/deselect a group of check boxes in a form. First of all we need something with some check boxes in it, and here is a table which suits our purposes: <table id="authors" style="border-collapse: collapse;" border="1"> <tbody> <tr> <th><input type="checkbox" id="checkall" onclick="checkUncheckAll('checkall');"></th> <th>Title</th> <th>Author</th> </tr> […]

Javascript tips

PostgreSQL: PostgreSQL 9.2 released

September 10, 2012 By wildeng

Supercool!!! The PostgreSQL Global Development Group announces PostgreSQL 9.2, the latest release of the leader in open source databases. Since the beta release was announced in May, developers and vendors have praised it as a leap forward in performance, scalability and flexibility. Users are expected to switch to this version in record numbers. via PostgreSQL: […]

Javascript tips

Hash changing

November 5, 2011 By wildeng

I found a nice way to prevent page scrolling after changing the window.location.hash: function changeHashWithoutScrolling(hash) { var id = hash.replace(/^.*#/, ”); elem = document.getElementById(id); elem.id = id+’-tmp’; window.location.hash = hash; elem.id = id; }