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2025-04-02 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Internet Technology >
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In this article Xiaobian for you to introduce in detail "vue how to achieve the list item expansion contraction function", the content is detailed, the steps are clear, the details are handled properly, I hope this "vue how to achieve list item expansion contraction function" article can help you solve your doubts, the following follows the editor's ideas slowly in-depth, together to learn new knowledge bar.
Expansion effect-look at the red box area
Shrink effect-look at the red box area
Next, let's look at the code logic.
# template: the functional codes that are not related to this article have been removed
{{index+1}} {{item.subName}}
{{item.fileName}}
# js: the functional codes that are not related to this article have been removed
Data () {return {courseSubList: [], / / course body list}} Methods: {showHide (index) {if (this.$ refs.child.style.display = = 'none') {this.$ refs.childhood [index] .style.display =' flex' this.$ refs.arrow [index] .style.transform = 'rotateX (0deg)'} else {this.$ refs.childhood [index] .style.display = 'none' this.$ refs.arrow.style.transform =' rotateX (180deg)'} DeletCourseSub (id) {/ / function code omitted}}
# Analysis process:
Add the ref= "arrow" attribute to the unfolded arrow respectively
Add ref= "child" to the outermost tag of the single item content area of the list, that is, the class= "audio-body" of this article.
Add a showHide (index) event to the arrow label area
Finally, the corresponding index uses the ref attribute of vue to change the corresponding list item to expand and collapse.
Read this, the "vue how to achieve the list of individual expansion contraction function" article has been introduced, want to master the knowledge of this article still need to practice and use to understand, if you want to know more related articles, welcome to follow the industry information channel.
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