(assuming jsx)
function Buttons (props) {
return(
{props.counterValue}
counter
increment
reset
);
}
var counterValue = 1;
function addup(a){
if(counterValue + a <= 20){
counterValue += a;
} else if (counterValue + a > 20){
//do nothing
}
ReactDOM.render(
,
document.getElementById('root')
);
}
function reset() {
counterValue = 1;
ReactDOM.render(
,
document.getElementById('root')
);
}