Library to calculate form data
Install module using Node Package Manager
npm install calculating-form --saveAdd calc-form script into your html
<script src="node_modules/calculating-form"></script>In case you need get sum of inputs just add class calc to your input and class calc-form to the form itself.
In case you need to multiply two inputs or divide it, wrap inputs into any tag, add class calc to wrapper and attribute operation
Result of the operation will be displayed as a content of html tag with class calc-result
- ADD: Add value
- SUBSTR: Substract value
- DIV: Divide value
- MULT: multiply value
<form class="calc-form">
<input class="calc" operation="ADD" type="number" placeholder="number">
<div operation="MULT" class="calc">
<input type="number" placeholder="number">
<input type="number" placeholder="number">
</div>
<div operation="DIV" class="calc">
<input type="number" placeholder="number">
<input type="number" placeholder="number">
</div>
<span class="calc-result"></span>
</form>