Analysis of the causes of syntax errors in binding HTML class arrays in Vue.js

Vue.js binding HTML class array syntax error, the details are as follows:

It is a bit cumbersome to write like this when there are multiple conditional classes. In 1.0.19+, you can use object syntax in array syntax:

If you write it like this, it can be executed successfully, but there is an error

data: {
classA: 'class-a',
classB: 'class-b',
classC: 'class-c',
isB: true,
isC: false
}

Rendered as:

If it is a dash like class-b, it is unsuccessful, so you still need to use standard object syntax with quotes

Rendered as:

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