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Today I would like to share something that is slightly off topic — how to use iPhone GPS map on the road without a data or WIFI connection. To be more specific, I mean how to use the iPhone Google Map as a GPS (without a network connection on the road) by pre-caching the map. This trick is very useful if you don’t have a data plan or want to avoid the data roaming charges when you are travelling.

While I was coding the Elemin Theme (a responsive WordPress theme that I recently designed), one of the challenges that I faced was to make the embedded videos elastic. Using the max-width:100% and height:auto trick works with native HTML5 video tag, but it doesn’t work with embed code using iframe or object tag. After hours of experimenting and Googling, I finally found a trick on how to achieve this. If you are creating a responsive design, this simple CSS trick will come in handy. View the final demo and resize your browser window to see it in action.

View Demo Elastic Videos

Screen resolution nowsaday ranges from 320px (iPhone) to 2560px (large monitor) or even higher. Users no longer just browse the web with desktop computers. Users now use mobile phones, small notebooks, tablet devices such as iPad or Playbook to access the web. So the traditional fixed width design doesn’t work any more. Web design needs to be adaptive. The layout needs to be automatically adjusted to fit all display resolution and devices. This tutorial will show you how to create a cross-browser responsive design with HTML5 & CSS3 media queries.

View Demo Responsive Design

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Due to a number of requests, I’m writing a detail tutorial on how to create an animated scroll to top as seen on Web Designer Wall. It is very simple to do with jQuery (just a few lines of code). It checks if the scrollbar top position is greater than certain value, then fade in the scroll to top button. Upon the link is clicked, it scrolls the page to the top. View the demo to see it in action.

Demo Scroll to Top

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One of the nice enhancement in HTML5 web form is being able to add placeholder text to input fields. Placeholder attribute allows you to display text in a form input when it is empty and when it is not focused (it clears the field on focus). This is a nifty feature, but it is not supported by all browsers yet. This tutorial will show you how to use Modernizr to detect if placeholder is supported, or else use jQuery to display the fallback placeholder text dynamically.

Demo HTML5 Placeholder

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One of the common problems we face when coding with float based layouts is that the wrapper container doesn’t expand to the height of the child floating elements. The typical solution to fix this is by adding an element with clear float after the floating elements or adding a clearfix to the wrapper. But did you know you can also use the overflow property to fix this problem? It’s not a new CSS trick either. It’s been documented before long long ago. Today I would like to revisit the topic along with a few tips.

View Demo Clear Floats

Once upon a time, grayscale image has to be manually converted in order to be displayed on the web. Now with HTML5 canvas, images can be manipulated into grayscale without having to use image editing software. I’ve put together a demo to show you how to use HTML5 & jQuery to dynamically clone color images into grayscale (see demo). Credits: thanks to Darcy Clarke (my Themify‘s partner) for the jQuery and Javascript code.

View Demo HTML5 Grayscale

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