How to preserve spaces in strings in vue

In Vue, it is very simple to remove spaces from strings. When rendering a string in a Vue template, it automatically strips the spaces on both sides. However, in some cases, we may want to retain the spaces in the string, what should we do in this case? Next, I will introduce two methods to solve this problem.

Method 1: Use HTML entities

HTML entities in Vue can be used to replace special characters, such as spaces. In HTML, the entity corresponding to a space is " ". We can replace the spaces with this entity so that the spaces will be preserved when rendering the template. An example is as follows:

<template>
  <div>
    <!-- 使用HTML实体保留空格 -->
    <p>{{ content.replace(/\s/g, ' ') }}</p>
  </div>
</template>

<script>
export default {
  data() {
    return {
      content: 'hello     world'
    }
  }
}
</script>

In the above code, I replaced all the spaces in the string with HTML entities " ". In the template, this entity will be parsed into a space character to preserve the space.

Method 2: Use CSS styles

In addition to using HTML entities, we can also use CSS styles to control the display of spaces. Specifically, you can use the "white-space" attribute and set its value to "pre-wrap" so that the spaces in the string are preserved. An example is as follows:

<template>
  <div>
    <!-- 使用CSS样式保留空格 -->
    <p :style="{ whiteSpace: &#39;pre-wrap&#39; }">{{ content }}</p>
  </div>
</template>

<script>
export default {
  data() {
    return {
      content: 'hello     world'
    }
  }
}
</script>

The style binding here uses the ":style" directive in Vue, which can apply CSS properties and values ​​​​in a JavaScript object to elements. In this example, I set the value of the "whiteSpace" attribute to "pre-wrap" so that the spaces are preserved and displayed normally in the template.

Summary

The above are two methods of retaining string spaces in Vue. Just choose the appropriate method according to the actual situation. When writing code, it is very important to maintain a consistent string format because it makes our code easier to read and maintain.

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