JavaScript while 循环 JavaScript for in 循环 JavaScript 减法 (-) JavaScript while 循环 <html> <body> <script> var count = 0; document.write("Starting Loop "); while(count < 10){ document.write("Current Count : " + count + "<br/>"); count++; } document.write("Loop stopped!"); </script> </body> </html> JavaScript for in 循环 JavaScript 减法 (-)