VM285:1 Uncaught TypeError: $(...).propAttr is not a function

While getting the attribute value of an element in javascript this method is used
$(“input[id=setupSimple]”).propAttr(“checked”)
But .propAttr() is not working after AUI 8 upgrade. Is this function removed?

VM285:1 Uncaught TypeError: $(…).propAttr is not a function