Function setDefaultValue

packages/react-dom-bindings/src/client/ReactDOMInput.js:472–486

(
  node: HTMLInputElement,
  type: ?string,
  value: ToStringValue,
)

//
// https://github.com/facebook/react/issues/7253
export function setDefaultValue(
  node: HTMLInputElement,
  type: ?string,
  value: ToStringValue,
) {
  if (
    // Focused number inputs synchronize on blur. See ChangeEventPlugin.js
    type !== 'number' ||
    getActiveElement(node.ownerDocument) !== node
  ) {
    if (node.defaultValue !== toString(value)) {
      node.defaultValue = toString(value);
    }
  }
}