V - show & v - if | Vue conditions for rendering

Difference between V-show and V-if:

Whether to display v-show is checked by setting display: None. That is, the DOM structure is loaded regardless of the result of the show, just whether it is displayed or not.
The V-if display depends on whether it is judged to be true, and DOM elements are rendered when the first truthy is encountered.

When v-if is false, DOM is removed directly, rather than hidden by display: None.

Because of this feature, V-IF has a higher performance cost on DOM switching.

So we use V-show when we want to switch DOM structures frequently. Otherwise, v-if is used.

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