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putting semicolons between statements even if they are separated by newlines. Here, JavaScript interprets the line break as an “implicit” semicolon JavaScript does not assume a semicolon before square brackets [...]. can have as many statements in our code One-line comments start with two forward sl
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Summary
- ⚠️ **Error Example**: The code `alert("Hello"); [1, 2].forEach(alert);` displays "Hello", then "1", then "2" correctly.
- ❌ **Semicolon Removal**: Removing the semicolon after `alert("Hello")` leads to only "Hello" being shown, with an error in the console.
- 🔍 **JavaScript Behavior**: JavaScript does not automatically insert a semicolon before square brackets, treating the code as a single statement.
- 🛑 **Misinterpretation**: The engine interprets the modified code as `alert("Hello")[1, 2].forEach(alert);`, which is incorrect.
- ✅ **Solution**: Always use semicolons appropriately to avoid such errors in your code.
Top Highlights
- putting semicolons between statements even if they are separated by newlines.
- Here, JavaScript interprets the line break as an “implicit” semicolon
- JavaScript does not assume a semicolon before square brackets [...].
- can have as many statements in our code
- One-line comments start with two forward slash characters //.
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