SOURCE

function* gen() {
  const num1 = yield 1
  console.log(num1)
  const num2 = yield 2
  console.log(num2)
  return 3
}
const g = gen()
console.log(g.next()) // { value: 1, done: false }
console.log(g.next(11111))
// 11111
//  { value: 2, done: false }
console.log(g.next(22222)) 
// 22222
// { value: 3, done: true }

<div class="plus">
  <a href="#" class="bdr-ripple-ani-btn"><i class="fa fa-link"></i></a>
  <div class="tooltip">
    <p>Click Here</p>
    <i class="fa fa-play"></i>
  </div>
</div>



<a href="#" class="bdr-ripple-ani-btn pink two"><i class="fa fa-cog"></i></a>



<div class="glow-shadow"></div>

body {
  background: #f2f2f2;
  font-family: sans-serif;
}
.bdr-ripple-ani-btn {
  display: block;
  background: #FFF;
  width: 48px;
  height: 48px;
  line-height: 48px;
  text-align: center;
  border-radius: 100%;
  box-sizing: border-box;
  color: #666;
  animation: at-ripple 0.6s linear infinite;
  overflow: hidden;
}
.bdr-ripple-ani-btn.pink {
  background: #ff4081;
  color:white;
  animation: at-ripple-pink 0.6s linear infinite;
    
}
.bdr-ripple-ani-btn.two {
  right: 300px;
  z-index: 2;
  position: fixed;
  bottom: 50px;
}
.bdr-ripple-ani-btn i {
  transform: rotate(0deg);
  transition: 0.5s ease;
}
.bdr-ripple-ani-btn:hover i {
  transform: rotate(180deg);
}
@-webkit-keyframes at-ripple {
  0% {
    box-shadow: 0 4px 10px rgba(102, 102, 102, 0.1), 0 0 0 0 rgba(102, 102, 102, 0.1), 0 0 0 5px rgba(102, 102, 102, 0.1), 0 0 0 10px rgba(102, 102, 102, 0.1);
  }
  100% {
    box-shadow: 0 4px 10px rgba(102, 102, 102, 0.1), 0 0 0 5px rgba(102, 102, 102, 0.1), 0 0 0 10px rgba(102, 102, 102, 0.1), 0 0 0 20px rgba(102, 102, 102, 0);
  }
}
@keyframes at-ripple {
  0% {
    box-shadow: 0 4px 10px rgba(102, 102, 102, 0.1), 0 0 0 0 rgba(102, 102, 102, 0.1), 0 0 0 5px rgba(102, 102, 102, 0.1), 0 0 0 10px rgba(102, 102, 102, 0.1);
  }
  100% {
    box-shadow: 0 4px 10px rgba(102, 102, 102, 0.1), 0 0 0 5px rgba(102, 102, 102, 0.1), 0 0 0 10px rgba(102, 102, 102, 0.1), 0 0 0 20px rgba(102, 102, 102, 0);
  }
}
/* Pink Animate */
@-webkit-keyframes at-ripple-pink {
  0% {
    box-shadow: 0 4px 10px rgba(255, 65, 130, 0.1), 0 0 0 0 rgba(255, 65, 130, 0.1), 0 0 0 5px rgba(255, 65, 130, 0.1), 0 0 0 10px rgba(255, 65, 130, 0.1);
  }
  100% {
    box-shadow: 0 4px 10px rgba(255, 65, 130, 0.1), 0 0 0 5px rgba(255, 65, 130, 0.1), 0 0 0 10px rgba(255, 65, 130, 0.1), 0 0 0 20px rgba(255, 65, 130, 0);
  }
}
@keyframes at-ripple-pink {
  0% {
    box-shadow: 0 4px 10px rgba(255, 65, 130, 0.1), 0 0 0 0 rgba(255, 65, 130, 0.1), 0 0 0 5px rgba(255, 65, 130, 0.1), 0 0 0 10px rgba(255, 65, 130, 0.1);
  }
  100% {
    box-shadow: 0 4px 10px rgba(255, 65, 130, 0.1), 0 0 0 5px rgba(255, 65, 130, 0.1), 0 0 0 10px rgba(255, 65, 130, 0.1), 0 0 0 20px rgba(255, 65, 130, 0);
  }
}

/* Tooltip */
.plus {
  position: relative;
  z-index: 2;
  position: fixed;
  right: 24px;
  bottom: 50px;
}
.plus:hover .tooltip {
  visibility: visible;
  opacity: 1;
}
.tooltip {
  position:absolute;
  bottom:6px;
  right:65px;
  display:table;
  visibility: hidden;
  opacity: 0;
  transition: 0.5s;
  white-space: nowrap;
}
.tooltip p {
  color:#FFF;
  background:rgba(51,51,51,0.5);
  display:table-cell;
  vertical-align:middle;
  padding:10px;
  border-radius:3px;
}
.tooltip i {
  display:table-cell;
  vertical-align:middle;
  color:#333;
  opacity:0.5;
}
 


.glow-shadow {
    background:#fff;
    width:100px;
    height:100px;
    left:50px;
    margin-left:50px;
    margin-top:15%;
    border-radius:50%;
    -webkit-animation: throb 1.5s infinite ease-in-out;
    animation: glow 1.5s infinite ease-in-out;
}
@-webkit-keyframes glow {
    0% {
        -webkit-box-shadow: 0 0 50px 50px rgba(50, 160, 50, 0.9);
    }
    50% {
        -webkit-box-shadow: 0 0 50px 0px rgba(50, 160, 50, .2);
    }
    100% {
        -webkit-box-shadow: 0 0 50px 50px rgba(50, 160, 50, 0.9);
    }
}
@keyframes glow {
    0% {
        box-shadow: 0 0 50px rgba(50, 160, 50, 0.9);
    }
    50% {
        box-shadow: 0 0 50px rgba(50, 160, 50, .2);
    }
    100% {
        box-shadow: 0 0 50px rgba(50, 160, 50, 0.9);
    }
}