Example

package mainimport ("fmt""log""strings""github.com/andybalholm/cascadia""golang.org/x/net/html")varpricingHtmlstring=`<div><div><h4>Free</h4></div><div><h1>$0/mo</h1><ul><li>10 users included</li><li>2 GB of storage</li><li><a href="https://example.com">See more</a></li></ul></div></div><div><div><h4>Pro</h4></div><div><h1>$15/mo</h1><ul><li>20 users included</li><li>10 GB of storage</li><li><a href="https://example.com">See more</a></li></ul></div></div><div><div><h4>Enterprise</h4></div><div><h1>$29/mo</h1><ul><li>30 users included</li><li>15 GB of storage</li><li><a>See more</a></li></ul></div></div>`funcQuery(n*html.Node,querystring)*html.Node {sel,err:=cascadia.Parse(query)iferr!=nil {return&html.Node{}}returncascadia.Query(n,sel)}funcQueryAll(n*html.Node,querystring) []*html.Node {sel,err:=cascadia.Parse(query)iferr!=nil {return []*html.Node{}}returncascadia.QueryAll(n,sel)}funcAttrOr(n*html.Node,attrName,orstring)string {for_,a:=rangen.Attr {ifa.Key==attrName {returna.Val}}returnor}funcmain() {doc,err:=html.Parse(strings.NewReader(pricingHtml))iferr!=nil {log.Fatal(err)}fmt.Printf("List of pricing plans:\n\n")fori,p:=rangeQueryAll(doc,"div.card.mb-4.box-shadow") {planName:=Query(p,"h4").FirstChild.Dataprice:=Query(p,".pricing-card-title").FirstChild.DatausersIncluded:=Query(p,"li:first-child").FirstChild.Datastorage:=Query(p,"li:nth-child(2)").FirstChild.DatadetailsUrl:=AttrOr(Query(p,"li:last-child a"),"href","(No link available)")fmt.Printf("Plan #%d\nName: %s\nPrice: %s\nUsers: %s\nStorage: %s\nDetails: %s\n\n",i+1,planName,price,usersIncluded,storage,detailsUrl,)}}

List of pricing plans:Plan #1Name: FreePrice: $0/moUsers: 10 users includedStorage: 2 GB of storageDetails: https://example.comPlan #2Name: ProPrice: $15/moUsers: 20 users includedStorage: 10 GB of storageDetails: https://example.comPlan #3Name: EnterprisePrice: $29/moUsers: 30 users includedStorage: 15 GB of storageDetails: (No link available)