In this post I will show a technique that we use to make cross-browser blur-effect. You can use this solution with any framework as it's completely library-independent and it actually uses 1 line of JS code.
With the latest versions of top notch browsers like Google Chrome, Firefox and Safari, you can always achieve blur-effect using CSS3 "filter"-property:
Dear readers, in this post I will highlight few places where people usually make mistakes, that cause memory leaks in Search Touch/ExtJS application.
### Be careful with Ext.Element.
Ext.Element has 2 "dangerous" methods: "up" and "down". The reason why they are "dangerous", is because resulting DOM-element, will be wrapped in Ext.Element instance, which will not be destroyed.
When ST/ExtJS creates new instance of Ext.Element, it "registers" that instance in a global Ext.Element.cache (Ext.elements) object. So, whenever you want to use these methods, don't forget to delete your implicitly created Ext.Element(s) from that object, to allow JS to free used memory. For instance:
2. Now you need to click on the back button twice to go back on the page where you were before going to the home page. Also pressing on the back button the first time doesn’t check or uncheck the `show blocks` checkbox
3. Go to the home page
Click on a shortcut
Click on the edit menu on the key header to bring the edit menu popup