<template>
    <div style="margin: 0 400px;">
        <Slider v-model="valueSingle" @on-change="updateSingleDisplayValue"></Slider>
        <Button @click="randomSingle">change</Button> {{singleDisplayValue}}

        <Slider v-model="valueRange" range @on-change="updateRangeDisplayValue"></Slider>
        <Button @click="randomRange">change</Button> {{rangeDisplayValue}}
    </div>
</template>
<script>
    export default {
        data () {
            return {
                valueSingle: 10,
                valueRange: [20, 50],
                singleDisplayValue: 10,
                rangeDisplayValue: [20, 50]
            };
        },
        methods: {
            updateSingleDisplayValue (val){
                console.log('updateSingleDisplayValue', val);
                this.singleDisplayValue = val;
            },
            updateRangeDisplayValue (val){
                console.log('updateRangeDisplayValue', val);
                this.rangeDisplayValue = val.join(' - ');
            },
            randomSingle () {
                this.valueSingle = this.random(0, 100);
            },
            randomRange () {
                this.valueRange = [this.random(0, 50), this.random(50, 100)];
            },
            random (min, max){
                return Math.round(Math.random() * (max - min)) + min;
            }
        }
    };
</script>
