Seems OTT to me,
I generally use normal boring labels, then modernizer to detect if the browser supports placeholders, if so hide the labels and add placeholders to the attributes
I generally use normal boring labels, then modernizer to detect if the browser supports placeholders, if so hide the labels and add placeholders to the attributes
This plugin doesn't replace (true) placeholder functionality, so I suppose it's the same as what you're doing except more semantic.