微信小程序设置定时器，循环调用

微信小程序设置定时器：
公众号平台链接：https://developers.weixin.qq.com/miniprogram/dev/api/base/timer/setInterval.html

具体代码：

Page({
data: {
timeOut: '' //定时器
},
//设置定时器，实现循环查找
keepTime: function() {
let timeTem = setTimeout(() => {
that.keepTime(); //调用keepTime，循环查找
}, 5000);
that.setData({
timeOut: timeTem
});
},
//页面卸载
onUnload: function() {
let that = this;
clearTimeout(that.data.timeOut); //清除定时器
},
//页面隐藏
onHide: function() {
let that = this;
clearTimeout(that.data.timeOut); //清除定时器
}
})