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what does focus mean
Focus is a polysemous word with many different meanings. This topic provides you with focus-related articles, which you can read about for free.
what does focus meanFocus has three meanings, namely: 1. In JavaScript, focus is the area of focus, that is, the position where the cursor is currently activated; 2. In geometric mathematics, focus refers to the special point that constructs the curve; 3. In physics , focus means that an optical system has two focuses, namely the object-side focus and the image-side focus.
what is the focusThe focus is the cursor. The focus is a small vertical line that flashes in the page screen. You can click the mouse to get the cursor. The Tab key can switch the focus according to the set Tabindex. In JavaScriptongoing, you can get the focus through the [focus()] method. Through [blur() )] method to remove the focus.
What does html focus mean?In HTML, focus means the cursor. The element can obtain the cursor by clicking the mouse, that is, obtain the focus; you can use the autofocus attribute to specify that the element will automatically obtain focus when the page is loaded. This attribute is a Boolean attribute. If the element is specified Setting this attribute will gain focus, and the syntax is "". 
what does focus meanThere are four meanings of focus, namely: 1. Lens focus, which refers to the place where light rays formed by a lens or reflector meet; 2. Focus of attention, which refers to the focus or focus of people on a specific issue or event. ; 3. Focus lighting, in lighting, refers to highlighting or emphasizing a specific target or area by adjusting the angle and position of the light; 4. Focus words, referring to words that play a special emphasis in a sentence or chapter, You can change the meaning or emphasis of a sentence.
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