onkeydown vs onkeyup - 两者
- <!DOCTYPE html>
- <html>
- <head>
- <script>
- function color(color) {
- document.forms[0].myInput.style.background = color;
- }
- </script>
- </head>
- <body>
- <form>
- 请编写一条消息:<br>
- <input
- type="text"
- onkeydown="color('yellow')"
- onkeyup="color('white')"
- name="myInput">
- </form>
- </body>
- </html>