(1)-syntax structure

The learning of each language usually starts with the syntax structure! I. JavaScript uses the unicode character set, which is common in the world. II. It is case sensitive, but html is not case sensitive. III. Although line feed is allowed, no extra points are added, but to maintain a good compilation... syntaxHighlighter. all ();

The learning of each language usually starts with the syntax structure!

1. JavaScript uses the unicode character set, which is a common language in the world;

Ii. case sensitive, but html is not case sensitive;

3. Although line breaks are allowed, it is necessary to add a semicolon to each ending statement to maintain good coding habits;

Iv. identifier: used to name variables and functions

1. The first character must contain letters, underscores (_), and dollar signs ($)
2. Not only reserved keywords

By: dxh_0829