源代码
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>享学课堂</title> </head> <body> <p id="demo"></p> <script> var carName1 = "Volvo XC60"; var carName2 = 'Volvo XC60'; document.getElementById("demo").innerHTML = carName1 + "<br>" + carName2; </script> </body> </html>
运行结果