Introduction to the use of this in HTML tags
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For example: Copy code The code is as follows:<html> <head> <script type="text/javascript"> function showHint(str){ alert(str) ; } </script> </head> <body> <input type="text" onkeyup="showHint(this.value)"/> <!--Here, this in the html tag represents this tag--> </body> </html> The running result is: after entering characters into the text box through the keyboard, when the key is lifted (that is, when the keyup event occurs), the pressed characters will be displayed. |
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