var num = ‘’
Page({
data:{
a:[1,2,3,4]
},
getnum(event){
console.log(event.detail.value)
num = event.detail.value
},
add(){
console.log(“要操作的数字”,num)
//添加元素
num = Number(num)
this.data.a.push(num)
console.log(“添加后的全部数组元素:”,this.data.a)
//数据刷新
this.setData({
a:this.data.a
})
},
del(){
var numNew = []
var arr = this.data.a
for(var i = 0; i < arr.length; i++)
{
if(arr[i] != num)
{
numNew.push(arr[i])
}
}
},
})