What capabilities do front-end development engineers need?

Proficient in graphics, webgl or using threejs framework, proficient in canvas related rendering and animation operators is preferred. 1. Master JavaScript. 2. Familiar with common engineering tools, and master the modular ideas and technical solutions. 3. Be familiar with the front-end framework of React and understand the underlying technology. Knowledge of other frameworks such as vue and angular is preferred. 4. Master the common tools of the react ecosystem, such as redux/react-router. 5. Familiar with various Web front-end technologies, including HTML/XML/CSS, and have experience in front-end application development based on Ajax.