var sectionWorkComponent = { template: '#section-work-template', mounted: function() { }, destroyed: function() { }, data: function() { return { item: {} }; }, methods: { addHighlight: function(index) { var item = this.$root.getDefaultWorkHighlight(); console.log("addHighlight(" + index + ")", this.$root.sections.work[index]); this.$root.sections.work[index].highlights.push(item); } } };