摘要: let index = e.currentTarget.dataset.index let array = [...this.data.list] array.splice(index,1) this.setData({ list:array }) 获取索引,定义一个新的数组,移除数据 splice 阅读全文
posted @ 2020-07-06 17:02 bingxiaoxiao 阅读(488) 评论(0) 推荐(0)
摘要: function getCaption(obj){ var index=obj.lastIndexOf("\-"); obj=obj.substring(index+1,obj.length); // console.log(obj); return obj; } var str="字符串截取(某个 阅读全文
posted @ 2020-07-06 14:57 bingxiaoxiao 阅读(25341) 评论(0) 推荐(0)