コードを編集:
結果を参照してください。 »
それを自分で試してみてください - ©
w3ii.com
<!DOCTYPE html> <html> <body> <p>Click the button to loop through the indices of an array named "cars".</p> <button onclick="myFunction()">Try it</button> <p id="demo"></p> <script> function myFunction() { var cars = ["BMW", "Volvo", "Saab", "Ford"]; var i; for (i = 0, len = cars.length, text = ""; i < len; i++) { text += cars[i] + "<br>"; } document.getElementById("demo").innerHTML = text; } </script> </body> </html>