js下拉框：从数组中筛选出匹配的数据

 1 handleChange(val) {
 2         let obj = {}
 3         // 遍历数组
 4         obj = this.options.find(item => {
 5           // 筛选出匹配的数据
 6           return item.id === val
 7         })
 8         this.hzid = obj.hzid
 9         this.projectId = obj.id
10         console.log(obj, this.projectId, this.hzid)
11       },

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