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JavaScript Iterator forEach() 方法
tryjsref_iterator_foreach
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<!DOCTYPE html> <html> <body> <h1>JavaScript Iterators</h1> <h2>The forEach() Method</h2> <p>The forEach() method executes a function once for each element in the iterator.</p> <p id="demo"></p> <script> // Create an iterator const myIterator = Iterator.from("123456789"); // Iterate over all elements let text = ""; myIterator.forEach (function(value) { text += value; }) document.getElementById("demo").innerHTML = text; </script> </body> </html>