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Underline a character in the item text in Vue DropDownButton component

Underline a particular character in a text can be handled in beforeItemRenderevent by adding <u> tag in between the text and given as innerHTML in li rendering.

In the following example, C is underlined in the text Copy.

Source
Preview
app.vue
<template>
<ejs-dropdownbutton :items='items' :beforeItemRender='onBeforeItemRender'>Clipboard</ejs-dropdownbutton>
</template>

<script>
import Vue from 'vue';
import { DropDownButtonPlugin } from "@syncfusion/ej2-vue-splitbuttons";
import { enableRipple } from '@syncfusion/ej2-base';

enableRipple(true);
Vue.use(DropDownButtonPlugin);

export default {
    data () {
        return {
            items:[
            {
                text: 'Cut'
            },
            {
                text: 'Copy'
            },
            {
                text: 'Paste'
            }],
        };
    },
    methods: {
        onBeforeItemRender: function(args) {
            if (args.item.text === 'Copy') {
                //To underline a particular text.
                args.element.innerHTML = '<u>C</u>opy';
            }
        }
    }
}
</script>

<style>
  @import '../node_modules/@syncfusion/ej2-base/styles/material.css';
  @import '../node_modules/@syncfusion/ej2-buttons/styles/material.css';
  @import '../node_modules/@syncfusion/ej2-popups/styles/material.css';
  @import '../node_modules/@syncfusion/ej2-splitbuttons/styles/material.css';
</style>