js代码

<script type="text/javascript" src="js/vue.min.js" ></script>
<script type="text/javascript" src="js/element.min.js" ></script>
<script type="text/javascript">
	new Vue({
		el: '#myVue',
		data: {
			stepVal1: 0,
			stepVal2: 2,
			stepVal3: 3,
			stepVal4: 4,
			stepVal5: 1,
			stepVal6: 2,
			stepVal7: 3
		},
		methods: {
			next() {
				if (this.stepVal1++ > 2) this.stepVal1 = 0;
			}
		}
	})
</script>

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