Get slip distance

Wechat applet has a function called onPageScroll that can get the distance of the current sliding screen.

onPageScroll: function(res) {
    console.log(res);
},
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The sliding distance is printed as follows:



Return to the top

1. Set scrollTop:0 in data

2, click click to return to the top of the method, as follows:

GoScrolltop :function(e){if (wx.pagesCrollto){wx.pagescrollto ({scrollTop: 0})} else {wx.showmodal ({title: 'Warning ', content:' The current wechat version is too early to use this function, please upgrade to the latest wechat version and try again. '})}},Copy the code