javascript reverse()可以顛倒數組中元素的順序,該方法會改變原來的數組,而不會創建新的數組
<!DOCTYPE html> <html> <head> <title>Runde</title> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <script type="text/javascript"> var arr = new Array(3) arr[0]="張三" arr[1]="李四" arr[2]="王五" document.write(arr+"<br />") document.write(arr.reverse()) </script> </head> <body> </body> </html>