javascript / beginner
Snippet
Declaring Variables with let and const
Use 'let' for variables that you expect to change later. Use 'const' for variables that should remain constant. This helps prevent accidental bugs.
snippet.js
javascript
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let score = 10;score = 15;const version = '1.0.0';// version = '1.1.0'; // Error!
nodejs
Breakdown
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let score = 10;
Declares a reassignable variable named 'score'.
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const version = '1.0.0';
Declares a read-only constant named 'version'.