Timing interval in Vue for setting and clearing intervals

Question

Timing interval in Vue for setting and clearing intervals

My Vue.js image slider has been set up to loop through 4 images using a setInterval function. It's almost perfect, but I've noticed that there is a delay when the last image is reached and it resets back to the first image. Is there a way to make this transition smoother and quicker?

<script>
export default {
  name: "Slider",
  data() {
    return {
      currentSliderIndex: 0
    };
  },
  mounted() {
    setInterval(() => {
      this.currentSliderIndex = this.currentSliderIndex + 1;

      if (this.currentSliderIndex > 4) {
        clearInterval();
        this.currentSliderIndex = 0;
      }
    }, 4000);
  }
};
</script>

javascript vue.js nuxt.js

Answer 1

Answer №1

There is no need to utilize clearInterval in this scenario since you are not providing the interval ID, as highlighted by Peter Wolf in the comments.

The issue lies in your condition for resetting the currentSliderIndex. Instead of checking if currentSliderIndex > 4, you should check if currentSliderIndex > 3 because index 4 corresponds to the 5th element in your image array. Update your code like so:

<script>
export default {
  name: "Slider",
  data() {
    return {
      currentSliderIndex: 0
    };
  },
  mounted() {
    setInterval(() => {
      this.currentSliderIndex = this.currentSliderIndex + 1;

      if (this.currentSliderIndex > 3) {
        this.currentSliderIndex = 0;
      }
    }, 4000);
  }
};
</script>

Answer 2

There is no need to utilize clearInterval in this scenario since you are not providing the interval ID, as highlighted by Peter Wolf in the comments.

The issue lies in your condition for resetting the currentSliderIndex. Instead of checking if currentSliderIndex > 4, you should check if currentSliderIndex > 3 because index 4 corresponds to the 5th element in your image array. Update your code like so:

<script>
export default {
  name: "Slider",
  data() {
    return {
      currentSliderIndex: 0
    };
  },
  mounted() {
    setInterval(() => {
      this.currentSliderIndex = this.currentSliderIndex + 1;

      if (this.currentSliderIndex > 3) {
        this.currentSliderIndex = 0;
      }
    }, 4000);
  }
};
</script>

Timing interval in Vue for setting and clearing intervals

Answer №1

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