source/bower_components/modernizr/feature-detects/forms-placeholder.js


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// testing for placeholder attribute in inputs and textareas
// re-using Modernizr.input if available

Modernizr.addTest('placeholder', function(){

  return !!( 'placeholder' in ( Modernizr.input    || document.createElement('input')    ) && 
             'placeholder' in ( Modernizr.textarea || document.createElement('textarea') )
           );

});