JavaScript Quiz Paper 3

JavaScript Quiz

<script> alert((60+40+90).toString()) </script>

what would be the output of this JavaScript code?


{{Que1}}

<script> alert(3 + +"4" + "2"); </script>

what would be the output of this JavaScript code?


{{Que2}}

<script> var data=1 + -"7" + 8; alert(data); </script>

what would be the output of this JavaScript code?


{{Que3}}

<script> var x; alert(typeof(x)); </script>

what would be the output of this JavaScript code?


{{Que4}}

<script> alert(typeof(x)); var x=10; alert(typeof(x)); </script>

what would be the output of this JavaScript code?


{{Que5}}