1 | <HTML> |
2 | <HEAD><TITLE>JavaScript with Forms</TITLE> |
3 | <SCRIPT LANGUAGE="JavaScript"> |
4 | function compute() { |
5 | if ( confirm("Is this what you want?") ) |
6 | aForm.result.value = eval(aForm.expr.value); |
7 | } |
8 | </SCRIPT></HEAD> |
9 | <BODY><FORM NAME="aForm"> Enter expression: |
10 | <INPUT TYPE="text" NAME="expr" SIZE=15> |
11 | <INPUT TYPE="button" VALUE="Compute!" |
12 | onClick="compute()"> <BR> Result: |
13 | <INPUT TYPE="text" NAME="result" SIZE=15> |
14 | </FORM></BODY> |
15 | </HTML> |