写小程序期间:
【已解决】小程序中实现列表中第一个元素特殊显示
需要从list中删除某个需要高亮显示的元素。
所以就是js中从list删除item
js list remove item
JavaScript: Remove Element from an Array – HostingAdvice.com
【总结】
最后整理成:
1 2 3 4 5 6 7 8 9 10 | const removeListItem = (originList, itemInList) => { console.log( "removeListItem: originList=%o, itemInList=%o" , originList, itemInList) var foundIndex = originList.indexOf(itemInList) console.log( "foundIndex=%s" , foundIndex) if (foundIndex >= 0){ originList.splice(foundIndex, 1) } console.log( "originList=%s" , originList) return originList } |
用法:
1 2 | normalTagList = util.removeListItem(newTagList, this.properties.highlightTag) highlightTagList = [this.properties.highlightTag] |
效果:

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