Copy to Clipboard is not working in button click event MVC5

Hi i am tried Copy to clipboard function that is my requirement. so i keep one copy button near the field which i want to copy from and button on click event i try that copy the value to clipboard .But the problem is when i click the copy button its hide the field and also copy function is not working..

My View

@Scripts.Render("~/bundles/jQueryVal")

@Scripts.Render("~/bundles/jqueryUijs")

@Scripts.Render("~/bundles/commonJs")

@Styles.Render("~/bundles/jqueryUicss")