Disable button when input is empty
A tiny jQuery plugin that could control the button’s state
It is a very simple jquery plugin that disables button when some input filed is empty.
Load the script file: snbutton.js
in your application:
<script type="text/javascript" src="bower_components/snbutton/snbutton.js"></script>
<input id="input-700" />
<button id="submit-button" data-snnode="input-700">Submit</button>
<script>
SNButton.init("submit-button");
</script>