uniapp returns to the specified page to save the page state

The uniapp history page falls back to the specified page.


getCurrentPages() The content is as follows

let delta = getCurrentPages().reverse().findIndex(item => 
	item.route ==="pages/popularScience/daodi"
		)
if(delta===-1){
    
    
	uni.navigateTo({
    
    
		url: '/pages/popularScience/daodi',
		success: res => {
    
    },
		fail: () => {
    
    },
		complete: () => {
    
    }
	});
}else{
    
    
	uni.navigateBack({
    
    
		delta: delta
	});
}