PDO : PHP Data Object PDO is an acronym for PHP Data Objects. It is a database access layer providing a uniform method of access to multiple databases. Use of PDO : Let a suppose you need to connect your database to Oracle or IBM DB2 in your existing code(written in MySQL/PHP) or if you…
The HTML DOM views an HTML document as a tree-structure. The tree structure that is defined known as a node-tree.All nodes can be accessed through the tree. Their contents can be modified or deleted, and new elements can be created. Programming InterfaceIn the DOM, HTML documents consist of a set of node objects. The…
The CSS rules visibility:hidden and display:none both result in the element not being visible, then what is the difference between visibility:hidden and display:none? The css properties visibility and display may seem to do the same thing on the page, but they are very different and often confuse people new to web development. visibility:…
