JSFiddle - React, Tailwind, and code Playground

by hbsto

JavaScript

(function(){
    
    var body = $(document.body),
        form = $('<form/>').appendTo( body ),
        i;
    
    for( i=0; i<10; i++ )
        makeLine();
    
    function makeLine(){
        var a = $('<input type="number" placeholder="숫자를 넣으세요." required/>'),
            b = $('<input type="number" placeholder="숫자를 넣으세요." required/>'),
            result = $('<input type="text"/>').val(0);
        
        form.append( a, b, result, '<br/>' );
        
        a.add( b ).focusout(function(){
            result.val( (+a.val() * +b.val()) || 0 );
        });
    }
    
})();