Answers for "appendchild element once if element presense in js"

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appendchild element once if element presense in js

<script>
       var button = false;
        function  myfun(){
            if ( button === false){
                var b1 = document.createElement("BUTTON");
                b1.innerHTML = "Click Me";
                document.body.appendChild(b1); 
                return button = true;  
            }
      }
    </script>

Posted by: Guest on January-08-2021

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