JSFiddle - React, Tailwind, and code Playground

by cchana

HTML

<form class="chkform" id="chkform" name="chkform" method=post action="">
<input type="text" class="abc" id="abc" name="abc" value="">
<img src="plus.png" id="plus" name="plus" class="plus" >
<br><br>
<input type="submit" value="submit" name="submit" >
</form>

<form class="chkform" id="chkform" name="chkform" method=post action="">
<input type="text" class="abc" id="abc" name="abc" value="">
<img src="plus.png" id="plus" name="plus" class="plus" ><img src="minus.png" id="minus" name="minus" class="minus">
<br><br>
<input type="submit" value="submit" name="submit" >
</form>

JavaScript

jQuery(document).ready(function($) {
    $('.plus').click( function(event) {
        var textArea = $(this).prev('input[type="text"]');
        if(textArea.val() == ''){
            textArea.val(10);
        }else{
            $inc = parseInt(textArea.val()) + 10;
            textArea.val($inc);
        }
    });
});