主页
JS 参考手册
JavaScript Set集合 entries() 方法
tryjsref_set_entries2
运行 ❯
×
更改方向
保存代码
更改主题
<!DOCTYPE html> <html> <body> <h1>JavaScript Sets</h1> <h2>The entries() Method</h2> <p>The entries() method returns an Iterator with [value,value] pairs from a Set:</p> <p id="demo"></p> <script> // Create a Set const letters = new Set(["a","b","c"]); // List all Elements let text = ""; for (const x of letters.entries()) { text += x + "<br>"; } document.getElementById("demo").innerHTML = text; </script> </body> </html>