A brief introduction to several styles used in Vue (with code)

This article brings you a brief introduction to several styles used in Vue (with code). It has certain reference value. Friends in need can refer to it. I hope it will be helpful to you.

Use class style

1. Array

  <h1 :class="[&#39;red&#39;, &#39;thin&#39;]">这是一个邪恶的H1</h1>

2. Use ternary expression in array

  <h1 :class="[&#39;red&#39;, &#39;thin&#39;, isactive?&#39;active&#39;:&#39;&#39;]">这是一个邪恶的H1</h1>

3. Nested objects in array

  <h1 :class="[&#39;red&#39;, &#39;thin&#39;, {&#39;active&#39;: isactive}]">这是一个邪恶的H1</h1>

4. Use the object directly

  <h1 :class="{red:true, italic:true, active:true, thin:true}">这是一个邪恶的H1</h1>

Use inline style

1. Write the style object directly on the element in the form of :style

  <h1 :style="{color: &#39;red&#39;, &#39;font-size&#39;: &#39;40px&#39;}">这是一个善良的H1</h1>

2 . Define the style object into data and directly reference it to: style

• Define the style on data:

 data: {
      h1StyleObj: { color: 'red', 'font-size': '40px', 'font-weight': '200' }
 }

• In the element, apply the style object to the element through attribute binding:

 <h1 :style="h1StyleObj">这是一个善良的H1</h1>

3. In :style, reference multiple data through an array The style object

• defines the style on data:

  data: {
        h1StyleObj: { color: 'red', 'font-size': '40px', 'font-weight': '200' },
        h1StyleObj2: { fontStyle: 'italic' }
  }

• In the element, in the form of attribute binding , apply the style object to the element:

 <h1 :style="[h1StyleObj, h1StyleObj2]">这是一个善良的H1</h1>

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