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JavaScript Iterators 迭代器
tryjs_iterator_take
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<!DOCTYPE html> <html> <body> <h1>JavaScript Iterators</h1> <h2>The take Method</h2> <p>The take() method returns a new iterator that yields a specified number of elements.</p> <p id="demo"></p> <script> // Create an iterator const myIterator = Iterator.from([1, 2, 3, 4, 5, 6]); // Take the first five elements const firstFive = myIterator.take(5); // Iterate over all elements let text = ""; for (const x of firstFive) { text += x + "<br>"; } document.getElementById("demo").innerHTML = text; </script> </body> </html>