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    The focus() method is a JavaScript method that gives focus to an HTML element, if it can be focused1. The focused element is the element that will receive keyboard and similar events by default2.

    The focus() method is a method of the HTMLElement interface, which means it can be used on any HTML element that inherits from it, such as input, button, select, etc2.

    The syntax of the focus() method is:

    element.focus(options);

    The element is the HTML element to be focused. The options parameter is an optional object that can contain the following properties:

    • preventScroll: A boolean value indicating whether or not the browser should scroll the document to bring the newly-focused element into view. A value of false (the default) means that the browser will scroll the element into view after focusing it. If preventScroll is set to true, no scrolling will occur2.

    • focusVisible: A boolean value that should be set to true to force visible indication that the element is focused. By default, or if the property is not true, a browser may still provide visible indication if it determines that this would improve accessibility for users2. This property is experimental and not widely supported by browsers.

    The focus() method does not return any value.

    Here are some examples of using the focus() method:

    // Give focus to an element by its id
    document.getElementById("myText").focus();

    // Give focus to an element when the page loads
    window.onload = function() {
    document.getElementById("myText").focus();
    Découvrir plus d’informations
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  2. HTMLElement.focus() - Les API Web | MDN - MDN Web Docs

  3. Autres questions posées
    The focus() method gives focus to an element (if it can be focused). The blur () Method (to remove focus) The onfocus event element.focus() is a DOM Level 2 (2001) feature. It is fully supported in all browsers: Track your progress - it's free! W3Schools is optimized for learning and training.
    The :focus pseudo class in CSS is used for styling an element that is currently targeted by the keyboard, or activated by the mouse. Here is an example: Any element (most commonly <input> s and <textarea> s) are in “focus” when they are selected and ready to enter text (like when a cursor is blinking).
    The :focus CSS pseudo-class represents an element (such as a form input) that has received focus. It is generally triggered when the user clicks or taps on an element or selects it with the keyboard's Tab key. Note: This pseudo-class applies only to the focused element itself.
    The HTMLElement.focus () method sets focus on the specified element, if it can be focused. The focused element is the element that will receive keyboard and similar events by default.
  4. :focus - CSS : Feuilles de style en cascade | MDN - MDN Web Docs

  5. :focus - CSS: Cascading Style Sheets | MDN - MDN Web Docs

  6. :focus | CSS-Tricks - CSS-Tricks

  7. :focus CSS sélecteur | ZONE CSS

  8. Differences between CSS3 :hover and :focus? - Stack Overflow

  9. HTMLElement: focus() method - Web APIs | MDN - MDN Web Docs

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