Copy to clipboard using javascript.

Here is the code for copy to clipboard using pure javascript you can use this code on your project for copy something.

Code

function Copy(){
        var copyText=document.getElementById("textbox");
        copyText.select();
        copyText.setSelectionRange(0, 999);
        document.execCommand("copy");
        alert("Copied");
    }

Using this code you can copy the content of textbox in webpage.