Here’s my code, but I can’t ever trigger the alert. Answer In javascript, you have to escape your slashes: Also, you could reduce your pattern a bit by using case-insensitive matching: Note: Your regex also matches on addresses such as: 123 Poor Box Road 123 Harpo Box Street I would suggest also c…
Is there a way to increase the size of localStorage in Google Chrome to avoid QUOTA_EXCEEDED_ERR: DOM Exception 22
I’ve written a webapp that allows you to store the images in the localStorage until you hit save (so it works offline, if signal is poor). When the localStorage reaches 5MB Google Chrome produces an error in the javascript console log: Uncaught Error: QUOTA_EXCEEDED_ERR: DOM Exception 22 How do I increa…
Android WebView – Setting HTML Field focus using Javascript
I have an application with just a visible WebView component to it which is used to display some dynamically generated HTML (can run Javascript too). It’s enabled for the WebView. For a few pages I am trying to set the focus of one of the input text boxes after the page load has finished – not thro…
Set of objects in javascript
I’d like to have a set of objects in Javascript. That is, a data structure that contains only unique objects. Normally using properties is recommended, e.g. myset[“key”] = true. However, I need the keys to be objects. I’ve read that Javascript casts property names to strings, so I gues…
What is the difference between DOM Level 0 events vs DOM Level 2 events?
What is the difference between DOM Level 0 events vs DOM Level 2 events? I ask because I was told that Firefox and IE call them in a different order and I had never heard those terms before. Answer DOM Level 0 events were based around the concept of using element attributes or named events on DOM elements, e.…
Inmobi API for Javascript based mobile App
Has Inmobi provided API for Javascript based Mobile Application? I am writing Symbian apps using WRT (Web Runtime Widget). These apps are purely written in Javascript. Currently I am unable to find support for such apps from Inmobi. I have to integrate Inmobi ads in those apps. Is there any hack/solution avai…
strip decimal points from variable
I have a series of variables that have a decimal point and a few zeros. How do I strip the variable so it goes from 1.000 to 1? Answer Simply… …assuming you want to round 1.7 to 2. If not, use Math.floor for 1.7 to 1.
Best practice for triggering events on calling page from an ajax page
I have a page that lists a bunch of files. This page can be accessed directly via a URL or it can be loaded in a modal dialog via ajax from a different page. If the files page is loaded via ajax, I would like to allow the user to click the name of the file and trigger an action
How can I move a div on scroll?
I have to move a div when the the user scrolls, but need to use pure JavaScript. position: fixed; will not work with the layout. The div’s original position is relative to something else. Is there a simple implementation using an event like onscroll, to detect how many pixels the page moved up or down, …
Improving regex for parsing YouTube / Vimeo URLs
I’ve made a function (in JavaScript) that takes an URL from either YouTube or Vimeo. It figures out the provider and ID for that particular video (demo: http://jsfiddle.net/csjwf/). It works, however as a regex Novice, I’m looking for ways to improve it. The input I’m dealing with, typically…