Long description

The JavaScript code consists of seven lines of code. Line 1: StartCommand let EndCommand temp equals calculateTotal open parenthesis 50 comma 2 comma at indentation level 0. Line 2: function open parenthesis subtotal close parenthesis open curly brace at indentation level 1. Line 3: StartCommand let EndCommand taxRate equals 0.05 semicolon at indentation level 2. Line 4: StartCommand let EndCommand tax equals subtotal asterisk taxRate semicolon at indentation level 2. Line 5: return tax semicolon. Line 6: close curly brace at indentation level 1. Line 7: close parenthesis semicolon at indentation level 0. The open parenthesis in line 1 corresponds to the close parenthesis in line 7. The open curly brace in line 2 corresponds to close curly brace in line 6. Note: Passing an anonymous function definition as a callback function parameter is written above line 2.