DS

🅰️Attention : pour accéder à la L2 Info, vous devez valider les 60 ECTS.

La rumeur selon laquelle il suffirait de valider uniquement les modules d’informatique est fausse.

 

 

Integrez cette vidéo dans votre site ! Comment la faire demarrer automatiquement ?

DOM

🥷🏿Parcours l'arbre du DOM

<body>

<p class="premier">Para 1</p>

<p><em>second </em> Para 2</p>

<p id="dernier"> dernier Para</p>

<!-- je suis un commentaire -->

</body>

https://dupontdenis.github.io/parcoursArbreGenerator/

code : 

function* search(node) {
  console.log("➡️ Entrée dans search() avec :", node);

  if (!node) {
    console.log("⛔ Node est null, on stoppe ici.");
    return;
  }

  console.log("📤 Yield du node :", node);
  yield node;

  console.log("🔽 Appel récursif sur firstChild :", node.firstChild);
  yield* search(node.firstChild);

  console.log("➡️ Appel récursif sur nextSibling :", node.nextSibling);
  yield* search(node.nextSibling);
}

// document.body.insertAdjacentHTML("beforeend", `<h1> the DOM`);
const nodes = [];

for (let node of search(document.body)) {
  console.log("📥 Node reçu dans le for...of :", node);
  if (node.localName) nodes.push(node.localName);
}

document.body.insertAdjacentHTML(
  "beforeend",
  `<p>${nodes.join("<span> </span>")}</p>`
);

Cours JS

🥷 https://javascript.info/

Browser: Document, Events, Interfaces

LE DOM

 

Interface/fonctionnalité

Interface

Le code de l'interface 

Fonctionnalité

Cas de la calculette ! 

Clonez le code de l'interface

DS

 

Integrez cette vidéo dans votre site ! Comment la faire demarrer automatiquement ?

DOM

 

🖋️DOM

 

Travail personel sur le DOM

Property / Method	Description
element.appendChild()	Adds a new child node, to an element, as the last child node
element.attributes	Returns a NamedNodeMap of an element's attributes
element.childElementCount	Returns the number of child elements an element has
element.childNodes	Returns a collection of an element's child nodes (including text and comment nodes)
element.children	Returns a collection of an element's child element (excluding text and comment nodes)
element.classList	Returns the class name(s) of an element
element.className	Sets or returns the value of the class attribute of an element
element.cloneNode()	Clones an element
element.contains()	Returns true if a node is a descendant of a node, otherwise false
element.contentEditable	Sets or returns whether the content of an element is editable or not
element.firstChild	Returns the first child node of an element
element.firstElementChild	Returns the first child element of an element
element.getAttribute()	Returns the specified attribute value of an element node
element.getAttributeNode()	Returns the specified attribute node
element.getElementsByClassName()	Returns a collection of all child elements with the specified class name
element.getElementsByTagName()	Returns a collection of all child elements with the specified tag name
element.hasChildNodes()	Returns true if an element has any child nodes, otherwise false
element.id	Sets or returns the value of the id attribute of an element
element.innerHTML	Sets or returns the content of an element
element.insertBefore()	Inserts a new child node before a specified, existing, child node
element.lastChild	Returns the last child node of an element
element.lastElementChild	Returns the last child element of an element
element.nextSibling	Returns the next node at the same node tree level
element.nextElementSibling	Returns the next element at the same node tree level
element.nodeName	Returns the name of a node
element.nodeType	Returns the node type of a node
element.nodeValue	Sets or returns the value of a node
element.parentNode	Returns the parent node of an element
element.parentElement	Returns the parent element node of an element
element.previousSibling	Returns the previous node at the same node tree level
element.previousElementSibling	Returns the previous element at the same node tree level
element.querySelector()	Returns the first child element that matches a specified CSS selector(s) of an element
element.querySelectorAll()	Returns all child elements that matches a specified CSS selector(s) of an element
element.removeAttribute()	Removes a specified attribute from an element
element.removeChild()	Removes a child node from an element
element.replaceChild()	Replaces a child node in an element
element.setAttribute()	Sets or changes the specified attribute, to the specified value
element.setAttributeNode()	Sets or changes the specified attribute node
element.style	Sets or returns the value of the style attribute of an element
element.tagName	Returns the tag name of an element
element.textContent	Sets or returns the textual content of a node and its descendants
nodelist.item()	Returns the node at the specified index in a NodeList
nodelist.length	Returns the number of nodes in a NodeList