Function setDefaultValue

code/styling/public/app.js:4646–4656

(node, type, value)

//
// https://github.com/facebook/react/issues/7253
function setDefaultValue(node, type, value) {
  if (
  // Focused number inputs synchronize on blur. See ChangeEventPlugin.js
  type !== 'number' || node.ownerDocument.activeElement !== node) {
    if (value == null) {
      node.defaultValue = '' + node._wrapperState.initialValue;
    } else if (node.defaultValue !== '' + value) {
      node.defaultValue = '' + value;
    }
  }
}

function getSafeValue(value) {
  switch (typeof value) {