What spacing should be used for statements in if brackets in Vue?

There are two types of delimiters for statements within if brackets in Vue: English comma (,): The comma delimiter separates multiple statements into one unit, and each statement must end with a semicolon (;). Semicolon (;): The semicolon delimiter separates individual statements without requiring a semicolon at the end of the statement. It is recommended to use comma delimiters in most cases, while semicolon delimiters are only used in complex conditional expressions where multiple conditions need to be declared.

In Vue, if is the delimiter for statements within brackets

In Vue, if Statements in parentheses can use two delimiters:

1. English comma (,)

The comma delimiter separates multiple statements Separated into a unit, each statement must end with a semicolon (;).

<template>
  <div>
    <p v-if="condition1 || condition2; condition3">
      满足条件 1 或 2 且 3
    </p>
  </div>
</template>

2. Semicolon (;)

The semicolon delimiter separates individual statements. There is no need to add a semicolon at the end of the statement.

<template>
  <div>
    <p v-if="condition1 || condition2">满足条件 1 或 2</p>
    <p v-else-if="condition3">满足条件 3</p>
    <p v-else>其他情况</p>
  </div>
</template>

Usage Recommendations

In most cases, using comma delimiters is preferable because it improves readability and maintainability. The semicolon delimiter is mainly used in complex conditional expressions that require multiple conditions to be declared.

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