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The Answer:
Programming languages generally employ a strategy called "short circuit evaluation" where they don't evaluate a particular operand if they don't need to. This is exactly what is happening here.
Since the result is going to be false at the 4th element, there is no point in evaluating the rest of the items.
Programming languages generally employ a strategy called "short circuit evaluation" where they don't evaluate a particular operand if they don't need to. This is exactly what is happening here.
Since the result is going to be false at the 4th element, there is no point in evaluating the rest of the items.
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🔅 JavaScript: Hashmaps
🌐 Author: Tiffany Graves
🔰 Level: Intermediate
⏰ Duration: 34m
📗 Topics: JavaScript
📤 Join Learn JavaScript for more courses
🌀 Learn what hashmaps are, as well as how and why hashmaps are used.
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You may want to filter out certain elements while modifying the remaining elements in an array.
In JavaScript, this can be accomplished in the following ways:
1. Using filter and map methods together.
2. Use the reduce method to achieve both tasks in a single step.
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