The current value of the slider would be passed as a parameter … On this page: Each menu option is defined by an element nested inside the . Issue , Has anyone taken a look at Material UI's example for React Select and their onChange function? onchange: Depending on the kind of element being changed and the way the user interacts with the element, the change event fires at a different moment: When the element is :checked (by clicking or using the keyboard) for and ; When the user commits the change explicitly (e.g., by selecting a value from a @foreach ( var template in templates) {