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<!DOCTYPE html>
<html>
<body>
​
<h2>JavaScript Functions</h2>
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<p>Global functions automatically become window methods. Invoking myFunction() is the same as invoking window.myFunction().</p>
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<p id="demo"></p>
​
<script>
function myFunction(a, b) {
  return a * b;
}
document.getElementById("demo").innerHTML = window.myFunction(10, 2); 
</script>
​
</body>
​
<!-- Mirrored from www.w3schools.com/js/tryit.asp?filename=tryjs_invoke_function_2 by HTTrack Website Copier/3.x [XR&CO'2014], Wed, 05 Jun 2019 13:23:27 GMT -->
</html>
​
​
​
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