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JavaScript Iterator filter() 方法
tryjsref_iterator_filter
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<!DOCTYPE html> <html> <body> <h1>JavaScript Iterators</h1> <h2>The filter() Method</h2> <p>The filter() method returns an iterator containing elements that satisfy a filter function.</p> <p id="demo"></p> <script> // Create an iterator const myIterator = Iterator.from([32, 33, 16, 40]); // Filter the iterator const filteredIterator = myIterator.filter(x => x > 18); // Iterate over the new iterator let text = ""; for (const x of filteredIterator) { text += x + "<br>"; } document.getElementById("demo").innerHTML = text; </script> </body> </html>