display: none和visibility: hidden的主要區(qū)別在於元素是否佔(zhàn)據(jù)空間及對(duì)佈局的影響。 1. display: none會(huì)完全移除元素，不佔(zhàn)空間，佈局會(huì)重新調(diào)整；適用於永久或動(dòng)態(tài)隱藏元素。 2. visibility: hidden使元素不可見但仍保留其空間，佈局不變；適合需要保持結(jié)構(gòu)穩(wěn)定的情況。 3. display: none同時(shí)隱藏所有子元素，而visibility: hidden可單獨(dú)控制子元素的顯示狀態(tài)。選擇時(shí)根據(jù)是否希望元素影響佈局決定。

The difference between display: none and visibility: hidden comes down to how they affect an element's presence on the page. While both make an element invisible, they behave very differently in terms of layout and space.

display: none removes the element completely

When you set an element to display: none , it's like it never existed on the page. It won't take up any space, and other elements will adjust as if this element wasn't there at all.

• Useful when you want to fully hide something and don't need it to affect layout.
• Commonly used with JavaScript to toggle content visibility dynamically.
• For example, dropdown menus or tabs might use this when switching between views.

This is a heavy-handed approach — great for hiding things permanently or conditionally without leaving gaps.

visibility: hidden hides but keeps the space

With visibility: hidden , the element becomes invisible but still takes up space on the page. Other elements around it won't shift or move.

• Good for temporarily hiding something while keeping the layout stable.
• Sometimes used in animations or transitions where layout shouldn't jump.
• Think of a scoreboard that hides numbers briefly but wants to keep the spacing consistent.

It's also worth noting that visibility: hidden can be applied to individual elements without affecting their children — unless you override it in child elements explicitly.

Key differences at a glance

• Space occupation :
  • display: none → No space taken
  • visibility: hidden → Space remains
• Layout impact :
  • display: none → Layout adjusts accordingly
  • visibility: hidden → Layout stays the same
• Child elements :
  • display: none → All children are also removed
  • visibility: hidden → Children can still be visible if set individually

So depending on whether you want the hidden element to leave a gap or not, pick one or the other.

Basically, choose display: none when you want the element gone from both view and layout, and visibility: hidden when you just want it out of sight but still part of the structure.

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