Copy text from to clipboard

Question

I\'ve been trying to copy the innerContent of a to my clipboard without success:

HTML

Answer 1

simple method
1)create a input
2)give style z-index -1 and it will be hide

    var code = $("#copy-to-clipboard-input");
    var btnCopy = $("#btn-copy");

    btnCopy.on("click", function () {
        code.select();
        document.execCommand("copy");
    });

                                                                                             

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