HOW TO CREATE JavaScript FUNCTIONS
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  <script>
        window.onload = function () {
        document.getElementById('text1').focus();
    }
    function getfocus1() {
  document.getElementById("text1").focus();
}
   function reset1() {
            document.getElementById("form1").reset();

    }
    function display1(){

    var c_num = parseInt(document.getElementById("text1").value);
        var sum =  c_num * 9/5 +32 ;
        document.getElementById("result1").value = Math.round(sum);

    }
   </script>