Syntax
eval(command)
eval(string)
The eval() function accepts a string of JavaScript statements and evaluates it as JavaScript source code.
eval() returns the value of the executed JavaScript statement.
<html>
<body>
<script lanuguage="JavaScript">
<!--
function run(){
eval (document.form1.input1.value);
}
-->
</script>
<form name="form1">
Enter a JavaScript command in the text field and click the "execute" button to execute the command.
<br><br>
Command:<input type="text" name="input1" size=30>
<br>
<input type="button" value="execute" onClick='run()'>
</form>
</body>
</html>