src/id-handler.js
function getId(element) {
        var state = getState(element);

        if (state && state.id !== undefined) {
            return state.id;
        }

        return null;
    }
function getId(element) {
        var state = getState(element);

        if (state && state.id !== undefined) {
            return state.id;
        }

        return null;
    }
function getId ( element ) { var state = getState ( element ) ; if ( state && state . id !== undefined ) { return state . id ; } return null ; }
Gets the resize detector id of the element.
@public
@param {element} element The target element to get the id of.
@returns {string|number|null} The id of the element. Null if it has no id.
Gets the resize detector id of the element .