Microsoft IE9 provides very useful tools for web development! It makes the developer work easy! No need to install any plugin or add-on! It's built in to the IE9 browser.
How to invoke Developer Tools in IE9?
1. Press the function key - F12
2.Go to Tools->F12 developer tools
IE9 allows the developer to test website in different IE versions - IE8, IE7. To do that, select the Browser Mode
menu and choose the appropriate IE version. It reloads the webpage according to the IE version selected.
It allows to validate the HTML and CSS of your website! It sends the information to the Validators in the W3C(World Wide Web Consortium). Go to Validate menu and select the respective option.
One of the big head aches of web developers is to test the website in different resolutions/sizes! Microsoft IE9 has option to test in different resolutions. Go to Tools menu and select Resize and select the appropriate size!
It also allows to test with custom resolution!
IE9 browser has got awesome option to pick the color in the webpage! Let us consider an example - You are browsing some sites. Suddenly you come across a website which has a beautiful font color and you wish to know the RGB color code. With IE9, you can do it instantly.
Go to Tools menu and select Show color picker! It launches the Color Picker dialog, which allows to select the particular color and it shows the RGB value!