How to compare two variables in selenium

We can compare two variable and store the result as Boolean (true or false ) in a Boolean variable. Using javascript we can compare

<tr>
<td>store</td>
<td>5</td>
<td>a</td>
</tr>
<tr>
<td>store</td>
<td>2</td>
<td>b</td>
</tr>
<tr>
<td>store</td>
<td>javascript{var bool=(storedVars['a']==storedVars['b']);bool;}</td>
<td>bool</td>
</tr>