Example of partial application in JavaScript applied to React Component event handlers

example.jsx

class MyComponent extends React.Component {
  partialHandleLinkClick(type, activeType){
    return function(e) {
      const hasKeyboardModifier = e.ctrlKey || e.shiftKey || e.altKey || e.metaKey;
      updateType(type, activeType, hasKeyboardModifier);
    };
  }
  render() {
    const types = [ 'Foo', 'Bar', 'Baz' ];
    return (
      <div>
        {
          types.map( (type, i) => {
            <a key={i} href="#"
              onClick={this.partialHandleLinkClick(type, this.props.activeType)}>
              {type}
            </a>
          })
        }
      </div>
    );
  }
}