vue.js

    const app = Vue.createApp({
        data: function () {
            return {
                output: null
            }
        }
    })

    app.component('poll-button', {
        data: function () {
            return {
                isLoading: true,
                isError: false,
            }
        },

        created() {
            this.pollStatus()
        },
        methods: {
            pollStatus() {
                this.attrs = setInterval(() => {
                    axios.get(
                        this.$root.$refs.input_url.value,
                        {validateStatus: false}
                    ).then(response => {
                        this.isLoading = response.status != 200;
                        this.isError = response.status >= 400
                    }).catch(function (error) {
                        this.isError = true
                    })
                }, 3000)
            },
            submit() {
                console.log(this.$root.$refs.input_url.value)
                axios.get(this.$root.$refs.input_url.value)
                    .then(response => (this.$root.output = response.data))
            },
        },
        template: `<button
            class="button is-large is-fullwidth is-rounded is-outlined"
            v-on:click="submit"
            v-bind:class="{
                'is-loading': isLoading,
                'is-success': !isError && !isLoading,
                'is-danger': isError,
            }"
            >Submit</button>`
    });

    app.mount('#app')