JSFiddle - React, Tailwind, and code Playground

HTML

<input type='text' id='category'>
<br /><br />
<input type='text' id='keywords'>
<br /><br />
<input type='submit' id='suppliersForm'>

JavaScript

jQuery('#suppliersForm').click(function(event){       
        
        var catVal  = $('#category').val();
        var keywordVal = $('#keywords').val();
        
        
        if( catVal.length > 0 && keywordVal.length > 0 ){
            alert( 'both' );
        } else if( catVal.length > 0 ) {
            alert( 'cat' );
        } else if( keywordVal.length > 0  ) {
            alert('keywordVal ');
        } else {
            alert( 'nothing' );   
        }
            
        
    });