Long description

The JavaScript code consists of 21 lines of code. Line 1: open angle bracket h t m l lang equals open double quotes e n close double quotes close angle bracket at indentation level 0. Line 2:open angle bracket head close angle bracket at indentation level 0. Line 3: open angle bracket title close angle bracket JavaScript placement possibilities open angle bracket forward slash title close angle bracket at indentation level 1. Line 4: open angle bracket script close angle bracket at indentation level 1. Line 5: forward slash asterisk A JavaScript Comment asterisk forward slash. Line 6: alert open parenthesis open double quotes This will appear before any content close double quotes close parenthesis semicolon at indentation level 2. Line 7: open angle bracket forward slash script close angle bracket at indentation level 1. Line 4 to 7 is labeled Embedded JavaScript. Line 8: open angle bracket script s r c equals open double quotes greeting dot j s close double quotes close angle bracket open angle bracket forward slash script close angle bracket at indentation level 1. Line 8 is labeled External JavaScript. Line 9: open angle bracket forward slash head close angle bracket at indentation level 0. Line 10: open angle bracket body close angle bracket at indentation level 0. Line 11: open angle bracket h 1 close angle bracket Page Title open angle bracket forward slash h 1close angle bracket at indentation level 0. Line 12: open angle bracket “a” h ref equals open double quotes JavaScript colon OpenWindow open parenthesis close parenthesis semicolon close double quotes close angle bracket for more info open angle bracket forward slash “a” close angle bracket at indentation level 0. Line 13: open angle bracket input type equals open double quotes button close double quotes onClick equals open double quotes alert open parenthesis open single quote Are you sure? close single quote close parenthesis semicolon close double quotes forward slash close angle bracket at indentation level 0. Line 12 to 13 is labeled Inline JavaScript. Line 14: open angle bracket script close angle bracket at indentation level 0. Line 15: alert open parenthesis open double quotes Hello World close double quotes close parenthesis semicolon at indentation level 1. Line 16: open angle bracket forward slash script close angle bracket at indentation level 0. Line 14 to Embedded JavaScript. Line 17: open angle bracket h 2 close angle bracket Other Content open angle bracket forward slash h 2 close angle bracket at indentation level 0. Line 18: Ellipsis. Line 19: open angle bracket script defer s r c equals open double quotes helpers dot j s close double quotes close angle bracket open angle bracket forward slash script close angle bracket at indentation level 0. Line 19 is labeled External JavaScript. defer in line 19 is labeled This optional flag tells browser to defer parsing this JavaScript until the rest of page is loaded. This can improve the speed at which the page elements first appear in the browser. helpers dot j s in line 19 points to a block of seven lines of code. The first line reads, function calculateTotal open parenthesis price comma quantity close parenthesis open curly brace. The second line reads, StartCommand let EndCommand subtotal equals price asterisk quantity semicolon. The third line, reads return subtotal semicolon. The fourth line reads close curly brace. The fifth line reads, function calculateTax open parenthesis total close parenthesis open curly brace. The sixth line reads, return total asterisk 0.10 semicolon. The seventh line reads, close curly brace. Line 20: open angle bracket forward slash body close angle bracket at indentation level 0. Line 21: open angle bracket forward slash h t m l close angle bracket at indentation level 0.