text: 
  export function throttle(func, limit) {
      let inThrottle
  
      return function() {
          let context = this, args = arguments
  
          if (! inThrottle) {
              func.apply(context, args)
  
              inThrottle = true
  
              setTimeout(() => inThrottle = false, limit)
          }
      }
  }
  