How in vue.js on click on an element to add an attribute to it from a method?

Question

Vue.js

<a v-on:click="click_page( this )" v-else href="javascript:void(0)" >{{page.page}}</a>

methods : {

            click_page   : function ( e ) {

                console.log( e  )
            }
}

Answer 1

template
js

methods : {
    click_page(e){
        console.log(e)
        e.target.setAttribute("attributeKey", "attributeValue")
    }
}

Answer 2

It's not entirely clear what you want.
If you get event into a function on click, then simply:
Or
Or

<a v-on:click="click_page($event)" href="javascript:void(0)">{{page.page}}</a>