(function () {
/**
* Get Input Value
*
* Essa função ela só tem um parâmetro que é o número do input na sua respectiva ordem na página.
*
* Por exemplo:
*
* - Se você quiser o valor do input "number" primeiro então é só colocar get_input_value(1) e o
* valor será pego automaticamente.
*/
var get_input_value = function get_input_value( element_order ) {
if ( parseInt( document.querySelectorAll( '#my-form input' )[ element_order - 1 ].value ) ) {
return parseInt( document.querySelectorAll( '#my-form input' )[ element_order - 1 ].value );
} else {
return document.querySelectorAll( '#my-form input' )[ element_order - 1 ].value;
}
};
document.querySelector( 'button' ).addEventListener( 'click', function () {
document.querySelectorAll( 'input' )[2].value = get_input_value( 1 ) + get_input_value( 2 );
} );
})();
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