Consider the following button element, which executes a computation and displays the result when clicked:
```
```
Create a Web page named number.html that contains the above button. Mathematically speaking, multiplying x * (1/x) should yield 1, regardless of the particular value of x. Click the button and report the value that is displayed in the alert window. If it is not 1, can you explain why not?
```
Number Representation
------------------------
```
The alert window displays: The value is 0.9999999999999999
This happens because of roundoff, as 1/3333333333 cannot be represented exactly.
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