Vue. js inserts variable parameters in label attributes, vue. js Variables

Vue. js inserts variable parameters in label attributes, vue. js Variables

The attributes of html tags, such as id, class, and href, need to dynamically PASS Parameters, concatenate strings, check some information, and find no proper solution. After a long time, finally try out the method:

V-bind: attribute = "'string' + custom variable name". You have tried it. If you need it, you can learn from it!

Note that the attribute must be": Property ="This form takes effect.

<Ul class = "menu" v-for = "(item, index) in 4"> <li: class = "{'selected ': index = clickIndex} "@ click =" selected (index) "> <div> 
 
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