带一个参数的函数 2

  1. <!DOCTYPE html>
  2. <html> 
  3. <head> 
  4. <script> 
  5. function myfunction(txt) { 
  6.   document.getElementById("demo").innerHTML = txt
  7. } 
  8. </script> 
  9. </head> 
  10. <body>
  11.  
  12. <p>单击其中一个按钮时，将调用一个函数。该函数将显示传递给它的参数。</p>
  13.  
  14. <form> 
  15.   <input type="button" onclick="myfunction('Good Morning!')" value="In the Morning"> 
  16.   <input type="button" onclick="myfunction('Good Evening!')" value="In the Evening"> 
  17. </form> 
  18.  
  19. <p id="demo"></p>
  20.  
  21. </body> 
  22. </html>