Working with Vue.js to call component methods when the page loads

My payment implementation utilizes vue-js and stripe.

I found that the only way to incorporate Stripe with vue-js was through the use of script.onload. Now, I am trying to access some of my methods within the onload function. Specifically, I want to call the myMethod function using self.myMethod.

In order to achieve this, I defined a variable named self, but it seems to be undefined in the scope of the onload function.

What steps can I take to make it accessible?

In the current scenario, self is referencing the Window object.

Component.vue

<template></template>

<script>
export default {
     data() {
         const self = this;
         return {}
     },

     methods: {
         myMethod() {}
     },

     mounted() {
         let script = document.createElement('script');
         script.src = "https://js.stripe.com/v3/";
         script.onload = () => {
             const stripe = Stripe('xxxxxxxx');
             const elements = stripe.elements();

             function setOutcome(result) {
                 self.myMethod();
             }
             card.on('change', function(event) {
                 setOutcome(event);
             });
             document.querySelector('form').addEventListener('submit', function(e) {
                 e.preventDefault();
                 const form = document.querySelector('form');
                 stripe.createToken(card).then(setOutcome);
             });
         };
         document.body.appendChild(script);
     }
 }
</script>
<style></style>

Answer №1

A self variable has been set in the data method. However, this variable is only accessible within that method.

To make the self variable available outside of the data method, you should define it within the mounted hook like so:

mounted() {
  let self = this;
  ...
}

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