What is the output of the following code body {color: blue;} h1 {color: black;} This is heading 1 This is an ordinary paragraph Output: How

What is the output of the following code

This is heading 1

This is an ordinary paragraph

Output: How many alert dialogs will the following JavaScript will be displayed in each of them? var x = "10"; function f() {var x = "4"; alert(this.x); function g(){alert(x);} g();} f ()