how to make a button when clicked copy something code example

Example 1: copy text to clipboard jquery

function copyToClipboard(element) {
 var $temp = $("<input>");
 $("body").append($temp);
 $temp.val($(element).html()).select();
 document.execCommand("copy");
 $temp.remove();
}

Example 2: js copy text to clipboard

function copy() {
  var copyText = document.querySelector("#input");
  copyText.select();
  document.execCommand("copy");
}

document.querySelector("#copy").addEventListener("click", copy);

Example 3: copy text on button click in jquery

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
<p id="p1">P1: I am paragraph 1</p>
<p id="p2">P2: I am a second paragraph</p>
<button onclick="copyToClipboard('#p1')">Copy P1</button>
<button onclick="copyToClipboard('#p2')">Copy P2</button>
<br/><br/><input type="text" placeholder="Paste here for test" />

Example 4: jquery copy to clipboard

document.execCommand("copy");