pass function as parameter javascript code example

Example 1: javascript pass function as parameter

//passing a function as param and calling that function
function goToWork(myCallBackFunction) {
    //do some work here
    myCallBackFunction();
}

function refreshPage() {
    alert("I should be refreshing the page");
}

goToWork(refreshPage);

Example 2: How to Pass Parameter in JavaScript Function From Html

<!DOCTYPE html>
<html>
<head>
	<title>function parameters javascript</title>
</head>
<body>
<button onclick="myfunctionName('rohan')">Click</button>

<script type="text/javascript">
	
	function myfunctionName(a){

		alert(a);
		
	}

</script>
</body>
</html>

Example 3: js running function as parameter

function FuncOne(param1) //example function
{
  //Do whatever
}

function FuncTwo(FuncOne, param1) //Function to call FuncOne w/ param
{
  FuncOne(param1); //Write it like you would any normal function call
}