Vue.component('remote-script', {

  render: function (createElement) {
    var self = this
    return createElement('script', {
      attrs: {
        type: 'text/javascript',
        src: this.src
      },
      on: {
        load: function (event) {
          self.$emit('load', event)
        },
        error: function (event) {
          self.$emit('error', event)
        },
        readystatechange: function (event) {
          if (this.readyState === 'complete') {
            self.$emit('load', event)
          }
        }
      }
    })
  },

  props: {
    src: {
      type: String,
      required: true
    }
  }
})



使用
      <remote-script src="http://iframe.js"></remote-script>