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How to use First method of html Package

Best K6 code snippet using html.First

node_test.go

Source:node_test.go

...16	}17	if err := checkNodeConsistency(n); err != nil {18		return err19	}20	for c := n.FirstChild; c != nil; c = c.NextSibling {21		if err := checkTreeConsistency1(c, depth+1); err != nil {22			return err23		}24	}25	return nil26}27// checkNodeConsistency checks that a node's parent/child/sibling relationships28// are consistent.29func checkNodeConsistency(n *Node) error {30	if n == nil {31		return nil32	}33	nParent := 034	for p := n.Parent; p != nil; p = p.Parent {35		nParent++36		if nParent == 1e4 {37			return fmt.Errorf("html: parent list looks like an infinite loop")38		}39	}40	nForward := 041	for c := n.FirstChild; c != nil; c = c.NextSibling {42		nForward++43		if nForward == 1e6 {44			return fmt.Errorf("html: forward list of children looks like an infinite loop")45		}46		if c.Parent != n {47			return fmt.Errorf("html: inconsistent child/parent relationship")48		}49	}50	nBackward := 051	for c := n.LastChild; c != nil; c = c.PrevSibling {52		nBackward++53		if nBackward == 1e6 {54			return fmt.Errorf("html: backward list of children looks like an infinite loop")55		}56		if c.Parent != n {57			return fmt.Errorf("html: inconsistent child/parent relationship")58		}59	}60	if n.Parent != nil {61		if n.Parent == n {62			return fmt.Errorf("html: inconsistent parent relationship")63		}64		if n.Parent == n.FirstChild {65			return fmt.Errorf("html: inconsistent parent/first relationship")66		}67		if n.Parent == n.LastChild {68			return fmt.Errorf("html: inconsistent parent/last relationship")69		}70		if n.Parent == n.PrevSibling {71			return fmt.Errorf("html: inconsistent parent/prev relationship")72		}73		if n.Parent == n.NextSibling {74			return fmt.Errorf("html: inconsistent parent/next relationship")75		}76		parentHasNAsAChild := false77		for c := n.Parent.FirstChild; c != nil; c = c.NextSibling {78			if c == n {79				parentHasNAsAChild = true80				break81			}82		}83		if !parentHasNAsAChild {84			return fmt.Errorf("html: inconsistent parent/child relationship")85		}86	}87	if n.PrevSibling != nil && n.PrevSibling.NextSibling != n {88		return fmt.Errorf("html: inconsistent prev/next relationship")89	}90	if n.NextSibling != nil && n.NextSibling.PrevSibling != n {91		return fmt.Errorf("html: inconsistent next/prev relationship")92	}93	if (n.FirstChild == nil) != (n.LastChild == nil) {94		return fmt.Errorf("html: inconsistent first/last relationship")95	}96	if n.FirstChild != nil && n.FirstChild == n.LastChild {97		// We have a sole child.98		if n.FirstChild.PrevSibling != nil || n.FirstChild.NextSibling != nil {99			return fmt.Errorf("html: inconsistent sole child's sibling relationship")100		}101	}102	seen := map[*Node]bool{}103	var last *Node104	for c := n.FirstChild; c != nil; c = c.NextSibling {105		if seen[c] {106			return fmt.Errorf("html: inconsistent repeated child")107		}108		seen[c] = true109		last = c110	}111	if last != n.LastChild {112		return fmt.Errorf("html: inconsistent last relationship")113	}114	var first *Node115	for c := n.LastChild; c != nil; c = c.PrevSibling {116		if !seen[c] {117			return fmt.Errorf("html: inconsistent missing child")118		}119		delete(seen, c)120		first = c121	}122	if first != n.FirstChild {123		return fmt.Errorf("html: inconsistent first relationship")124	}125	if len(seen) != 0 {126		return fmt.Errorf("html: inconsistent forwards/backwards child list")127	}128	return nil129}...

First

Using AI Code Generation

1import (2func main() {3	doc, err := html.Parse(os.Stdin)4	if err != nil {5		fmt.Fprintf(os.Stderr, "findlinks1: %v\n", err)6		os.Exit(1)7	}8	fmt.Println("The first link in the document is: ", First(doc, "a"))9}10func First(doc *html.Node, tag string) string {11	var f func(*html.Node, string) string12	f = func(n *html.Node, tag string) string {13		if n.Type == html.ElementNode && n.Data == tag {14		}15		for c := n.FirstChild; c != nil; c = c.NextSibling {16			if r := f(c, tag); r != "" {17			}18		}19	}20	return f(doc, tag)21}

First

Using AI Code Generation

1import (2func main() {3	doc, err := html.Parse(os.Stdin)4	if err != nil {5		fmt.Fprintf(os.Stderr, "first: %v\n", err)6		os.Exit(1)7	}8	fmt.Println("The first element is\n", First(doc))9}10func First(doc *html.Node) *html.Node {11	var f func(*html.Node) *html.Node12	f = func(n *html.Node) *html.Node {13		if n == nil {14		}15		if n.Type == html.ElementNode {16		}17		return f(n.NextSibling)18	}19	return f(doc.FirstChild)20}

First

Using AI Code Generation

1import (2func main() {3 if err != nil {4 log.Fatal(err)5 }6 fmt.Println(doc.Find("title").First().Text())7}

First

Using AI Code Generation

1import (2func main() {3	doc, err := html.Parse(os.Stdin)4	if err != nil {5		fmt.Fprintf(os.Stderr, "Error in parsing html file: %v\n", err)6		os.Exit(1)7	}8	fmt.Println("First element in the html file is: ", First(doc))9}10func First(doc *html.Node) *html.Node {11	if doc == nil {12	}13	if doc.Type == html.ElementNode {14	}15	for c := doc.FirstChild; c != nil; c = c.NextSibling {16		return First(c)17	}18}

First

Using AI Code Generation

1import (2func main() {3	doc, err := html.Parse(os.Stdin)4	if err != nil {5		fmt.Fprintf(os.Stderr, "1.go: %v\n", err)6		os.Exit(1)7	}8	fmt.Println(First(doc, "a"))9	fmt.Println(First(doc, "b"))10	fmt.Println(First(doc, "c"))11}12func First(doc *html.Node, id string) *html.Node {13	return forEachNode(doc, id, startElement, endElement)14}15func forEachNode(n *html.Node, id string, pre, post func(n *html.Node, id string) bool) *html.Node {16	if pre != nil {17		if pre(n, id) {18		}19	}20	for c := n.FirstChild; c != nil; c = c.NextSibling {21		if forEachNode(c, id, pre, post) != nil {22		}23	}24	if post != nil {25		if post(n, id) {26		}27	}28}29func startElement(n *html.Node, id string) bool {30	if n.Type == html.ElementNode {31		for _, a := range n.Attr {32			if a.Key == "id" && a.Val == id {33			}34		}35	}36}37func endElement(n *html.Node, id string) bool {38}

First

Using AI Code Generation

1import (2func main() {3	if err != nil {4		log.Fatal(err)5	}6	defer resp.Body.Close()7	body, err := ioutil.ReadAll(resp.Body)8	if err != nil {9		log.Fatal(err)10	}11	doc, err := html.Parse(resp.Body)12	if err != nil {13		log.Fatal(err)14	}15	fmt.Println("First method")16	fmt.Println(html.First(doc, func(n *html.Node) bool {17	}))18	fmt.Println("Find method")19	fmt.Println(html.Find(doc, func(n *html.Node) bool {20	}))21	fmt.Println("FindAll method")22	fmt.Println(html.FindAll(doc, func(n *html.Node) bool {23	}))24	fmt.Println("Body of the page")25	fmt.Println(string(body))26}

First

Using AI Code Generation

1import (2func main() {3	if len(os.Args) < 2 {4		fmt.Println("Please enter a url")5		os.Exit(1)6	}7	resp, err := http.Get(url)8	if err != nil {9		fmt.Println("Error getting url")10		os.Exit(1)11	}12	defer resp.Body.Close()13	body, err := ioutil.ReadAll(resp.Body)14	if err != nil {15		fmt.Println("Error reading response body")16		os.Exit(1)17	}18	doc, err := html.Parse(string(body))19	if err != nil {20		fmt.Println("Error parsing html")21		os.Exit(1)22	}23	fmt.Println(html.First(doc, html.IsTitle).FirstChild.Data)24}

First

Using AI Code Generation

1import "fmt"2import "html"3func main() {4 fmt.Println(s)5 fmt.Println(html.First(s))6}

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