Placeholder for Gravity Forms

scripts.js

function placeholder(){

  var target = '#gform_1 input[type=text]';

		var inputs = document.querySelectorAll(target);

		if(inputs){
			for (var i = 0; i < inputs.length; i++){
      	var value = inputs[i].value;
				console.log(value);
				inputs[i].value = ""
				inputs[i].placeholder = value;
    	}
		}
}
placeholder();