···

       
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- `0b100` stands for `-webkit`

     

       
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These are combined using a binary OR, so an example usage of the

     

       
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-
       
`pefixProperty` helper may look like the following:

     

       
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+
       
`prefixProperty` helper may look like the following:

     

       
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```js

     

       
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const prefix = (prop, value) => {