主页
JS 参考手册
JavaScript 数组 forEach() 方法
tryjsref_typed_foreach_3
运行 ❯
×
更改方向
保存代码
更改主题
<!DOCTYPE html> <html> <body> <h1>JavaScript Typed Arrays</h1> <h2>The forEach() Method</h2> <p>forEach() calls a function for each array element:</p> <p id="demo"></p> <script> // Create a Typed Array const myArr = Int16Array.from([10,15,20,25,30,35,40,45,50]); let sum = 0; myArr.forEach(myFunction); document.getElementById("demo").innerHTML = sum; function myFunction(item) { sum += item; } </script> </body> </html>