How to use the @dojo/framework/core/vdom.v function in @dojo/framework

protected render(): DNode {
		let { aria = {}, closeText, open = false, title = '', theme, classes } = this.properties;

		const contentStyles = this.getStyles();
		const contentClasses = this.getModifierClasses();
		const fixedContentClasses = this.getFixedModifierClasses();

		if (!closeText) {
			const { messages } = this.localizeBundle(commonBundle);
			closeText = `${messages.close} ${title}`;
		}

		// This is a side-effect of rendering, it clears the slide styles for the next render.
		this._slide = undefined;

		return v(
			'div',
			{
				'aria-labelledby': this._titleId,
				classes: this.theme(css.root),
				onmousedown: this._onSwipeStart,
				onmousemove: this._onSwipeMove,
				onmouseup: this._onSwipeEnd,
				ontouchend: this._onSwipeEnd,
				ontouchmove: this._onSwipeMove,
				ontouchstart: this._onSwipeStart
			},
			[
				open ? this.renderUnderlay() : null,
				v(
					'div',
					{

render(): DNode {
		const { active, controls, disabled, id } = this.properties;
		const { messages } = this.localizeBundle(commonBundle);

		return v(
			'div',
			{
				'aria-controls': controls,
				'aria-disabled': disabled ? 'true' : 'false',
				'aria-selected': active === true ? 'true' : 'false',
				classes: this.theme([css.tabButton, ...this.getModifierClasses()]),
				focus: this.shouldFocus,
				id,
				key: 'tab-button',
				onclick: this._onClick,
				onkeydown: this._onKeyDown,
				role: 'tab',
				tabIndex: active === true ? 0 : -1
			},
			[v('span', { classes: this.theme(css.tabButtonContent) }, this.getContent(messages))]
		);

year: this._year,
				onMonthChange: (month: number) => {
					this._month = month;
					this.invalidate();
				},
				onYearChange: (year: number) => {
					this._year = year;
					this.invalidate();
				},
				onDateSelect: (date: Date) => {
					this._selectedDate = date;
					this.invalidate();
				}
			}),
			this._selectedDate
				? v('p', [`Selected Date: ${this._selectedDate.toDateString()}`])
				: null
		]);
	}
}

protected renderPagingButtonContent(type: Paging, labels: CalendarMessages): DNode[] {
		const { theme, classes } = this.properties;
		const iconType = type === Paging.next ? 'rightIcon' : 'leftIcon';
		const labelText = type === Paging.next ? labels.nextMonth : labels.previousMonth;

		return [
			w(Icon, { type: iconType, theme, classes }),
			v('span', { classes: [baseCss.visuallyHidden] }, [labelText])
		];
	}

const toggleChecked = icache.getOrSet('toggle-checked', true);
	const selectedRadio = icache.getOrSet('radio', 'first');

	function radioChange(value: string) {
		icache.set('radio', value);
	}

	return v('div', { classes: css.root }, [
		v('h2', ['Buttons']),
		v(
			'div',
			{
				classes: css.buttons
			},
			[
				v('h3', ['Enabled']),
				w(Button, {}, ['Basic Button']),
				w(Button, {}, ['Icon Button ', w(Icon, { type: 'searchIcon' })]),
				w(
					Button,
					{
						popup: { expanded: false, id: 'fakeId' }
					},
					['Popup']
				),
				w(
					Button,
					{
						pressed: togglePressed,
						onClick: () => {
							icache.set('toggle-pressed', !togglePressed);
						}

render() {
		return v('div', [
			w(Select, {
				key: 'select1',
				...this.getOptionSettings(),
				getOptionSelected: (option: any) => !!this._value1 && option.value === this._value1,
				label: 'Native select',
				options: this._selectOptions,
				useNativeElement: true,
				value: this._value1,
				onChange: (option: any) => {
					this._value1 = option.value;
					this.invalidate();
				}
			}),
			v('p', {
				innerHTML: 'Result value: ' + this._value1
			}),
			w(Select, {
				key: 'select2',
				...this.getOptionSettings(),
				label: 'Custom select box',
				options: this._moreSelectOptions,
				value: this._value2,
				onChange: (option: any) => {
					this._value2 = option.value;
					this.invalidate();
				}
			}),
			v('br'),
			w(Select, {
				key: 'select3',

fixedCss.containerFixed,
						this.theme(css.details),
						fixedCss.detailsFixed
					]
				},
				[total ? `${from} - ${total < to ? total : to} of ${total} Results` : '0 Results']
			),
			v(
				'nav',
				{
					role: 'navigation',
					'aria-label': 'Pagination Navigation',
					classes: [this.theme(css.pagination)]
				},
				[
					v(
						'ul',
						{
							classes: [
								fixedCss.containerFixed,
								this.theme(css.paginationList),
								fixedCss.paginationListFixed
							]
						},
						[
							v('li', { classes: [fixedCss.itemFixed, this.theme(css.item)] }, [
								totalPages > 1 &&
									v(
										'button',
										{
											key: 'previous',
											disabled: page === 1,

protected renderActions(): DNode {
		const { close } = this.localizeBundle(commonBundle).messages;

		const { align = Align.right, theme, classes, heading } = this.properties;
		const actions = v(
			'div',
			{
				classes: this.theme(css.actions),
				key: 'menu'
			},
			this.children
		);

		return this._collapsed
			? w(
					SlidePane,
					{
						align,
						closeText: close,
						key: 'slide-pane-menu',
						onRequestClose: this._closeMenu,

render(): DNode {
		return v('div', [
			v('h2', {}, ['Range Slider']),
			v('h3', {}, ['Value']),
			w(RangeSlider, {
				key: 'value1',
				label: 'mostly default settings',
				min: 0,
				max: 50,
				value: { min: this._state.value1Min, max: this._state.value1Max },
				onValue: ({ min, max }) => {
					this._state.value1Min = min;
					this._state.value1Max = max;
					this.invalidate();
				}
			}),
			v('div', {}, [`Min: ${this._state.value1Min} - Max: ${this._state.value1Max}`]),
			v('h3', {}, ['Tooltips']),
			v('h4', {}, ['showOutput']),

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				]
			),
			v('button', {
				id: 'button',
				innerHTML: 'open slidepane',
				onclick: this.openSlidePane
			}),
			v('div', { classes: 'option' }, [
				v('input', {
					type: 'checkbox',
					id: 'underlay',
					onchange: this.toggleUnderlay
				}),
				v('label', {
					for: 'underlay',
					innerHTML: 'underlay'
				})
			]),
			v('div', { classes: 'option' }, [