CODEWITHSUNDEEP
htmlangularjs
Ariana
Ariana

Reputation: 509

Setting Minimum Value to a Substraction (AngularJS)

I would like to know how it is possible to set a minimum value of "0" to my substration (100 - message.length). I don't want negative values to be returned when the minimum number of caracteres (100) is verified (For instance: "Number of caracteres left: -55"). Thank you.

<tr>
    <td colspan="2" align="center">
        <textarea rows="10" cols="50" name="message" ng-model="message"></textarea>
    </td>
</tr>
<tr>
    <td align="center">Number of caracteres left: {{100 - message.length}}
    </td>
</tr>
<tr>
    <td align="center" colspan="2">
        <button type="submit" class="btn btn-success" ng-disabled="(!message || message.length < 100)">Send</button>
    </td>
</tr>

Upvotes: 3

Views: 30

Answers (1)

Sergio Fandino
Sergio Fandino

Reputation: 435

You could try something like this {{100 - message.length>0?100 - message.length:0}}

Upvotes: 1

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