Text can be shared in WatsApp from website easily by below code snippets.
<a href=”whatsapp://send?text=Hello%20TCS!”>Hello, TCS!</a>
Demo: Please open this page (sortented for you – http://goo.gl/opbTyi) in mobile phone where WatsApp is installed. Click below hyperlink to share the text in WatsApp.
It can be done in Android intent system as well.