#__AddDataset

#Introduction

Adds a data- attribute to the Element object without affecting existing data- attributes.

#Syntax

__AddDataset(element: Element, key: string, value: any) : void;

#Parameters

#Return Value

No return value.

#Example

The frontend framework can generate render directives in the following way.

<view src="xxx" data-key="value" />

// main-thread.js
let element = __CreateElement('view', 0, {});
__AddDataset(element, 'key', 'value');