Definition and Usage
The eval() function evaluates a string and executes it as if it was script code.
Syntax
Parameter | Description |
string | Required. The string to be evaluated |
Example
In this example we use eval() on some strings and see what it returns:
<script type="text/javascript"> eval("x=10;y=20;document.write(x*y)");
document.write("<br />"); document.write(eval("2+2"));
document.write("<br />"); var x=10;
document.write(eval(x+17));
document.write("<br />"); </script> |
The output of the code above will be: