ICPSEP Content

6 点击一个Form的例子 - I

<HTML><HEAD><TITLE>Javascript with Forms</TITLE>
<SCRIPT LANGUAGE="JavaScript" >
<!-- 传统注释，用于对早期的浏览器隐藏JavaScript
function compute(form) {
if( confirm("Is this what you want?"))
form.result.value = eval(form.expr.value);
else alert("Enter a new expression then!"); }
//scriptend-->
</SCRIPT></HEAD>
<BODY><FORM>
Enter An Expression:
<INPUT TYPE="text" NAME="expr" SIZE=15>
<INPUT TYPE="button" VALUE="DoIt!" ONCLICK="compute(this.form)">
<BR>Result:
<INPUT TYPE="text" NAME="result" SIZE=15> <BR>
</FORM></BODY></HTML>

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