Generator Promise For Loop example

GeneratorPromiseFor.js

(function(){ // Generator Promise For Loop
    let getFiringResult = delay => new Promise((o,x)=>setTimeout(()=>o(Math.random()),delay));
    
    const fireCannons = (function* (data){
        let index = 0;
        while(index<5){
            index++;
            yield getFiringResult(1000);
        }
        return;
    })();
    const reload = data => {
        console.log(data);
        let {value:next,done} = fireCannons.next()
        if(!done) next.then(reload).catch(err=>console.log(err));
    };
    fireCannons.next().value.then(reload).catch(err=>console.log(err));
    

})();