Vue delayed rerendering the view after every iteration

I have successfully implemented a bubble sort algorithm and now I am facing an issue with re-rendering the UI after each iteration. Currently, when I run the function runBubbleSort(), the algorithm terminates instantly and displays the correct result. Is there a way to introduce a timer of 50ms before executing the next loop iteration?

runBubbleSort: function(event) {
    for (var j = 1; j < this.elements.length; j++) {
        for (var i = 0; i < this.elements.length - j; i++) {

            // code to set timer goes here

            if (this.elements[i] > this.elements[i + 1]) {
                var tmp = this.elements[i];

                this.$set(this.elements, i, this.elements[i + 1]);
                this.$set(this.elements, i + 1, tmp);
            }
        }
    }
}

Answer №1

There are a couple of strategies to accomplish this task

  1. Using the v-if directive (not recommended)

The v-if directive will display the component only when it evaluates to true. If it is false, the component will not be present in the DOM at all.

Another approach is to toggle a boolean variable in order to trigger a re-rendering

<template v-if="show">
  <h1>Title</h1>
</template>
  1. Utilizing $vm.forceUpdate() (preferred method)

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