Answers for "how to make copy text btn using js"

copy button value to clipboard function javascript

//U need to have a button with the id the same as its name because it is going to be sent to the clipborad.
/*Like this: */
<button onClick="SelfCopy(this.id)"  id="1">1</button>
<button onClick="SelfCopy(this.id)"  id="2">2</button>
<button onClick="SelfCopy(this.id)"  id="3">3</button>

function SelfCopy(copyText)
  {
      navigator.clipboard.writeText(copyText);
      alert("You just copied this: (" + copyText + ").");
  }

copy text onclick

const span = document.querySelector("span");

span.onclick = function() {
  document.execCommand("copy");
}

span.addEventListener("copy", function(event) {
  event.preventDefault();
  if (event.clipboardData) {
    event.clipboardData.setData("text/plain", span.textContent);
    console.log(event.clipboardData.getData("text"))
  }
});