A JavaScript program is a sequence of statements...
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A JavaScript program is a sequence of statements. Statements are separated by a semicolon.

Using semicolons is NOT mandatory, if you don't use them the JavaScript engine will sort of automatically insert them (Automatic Semicolon Insertion or ASI) this may cause bugs.

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⏱ Timestamps:
0:00 Why semicolons in JS
0:44 Where should you use semicolons
1:47 Where should you NOT use semicolons
3:19 Should you use semicolons
4:09 Professional JavaScript Course preview

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