function addWEPropertyIfDefined(object, property, value) {
  if (!IS_UNDEFINED(value)) {
    defineWEProperty(object, property, value);
  }
}
function addWEPropertyIfDefined(object, property, value) {
  if (!IS_UNDEFINED(value)) {
    defineWEProperty(object, property, value);
  }
}
function addWEPropertyIfDefined ( object , property , value ) { if ( ! IS_UNDEFINED ( value ) ) { defineWEProperty ( object , property , value ) ; } }
Adds property to an object if the value is not undefined.
Sets configurable descriptor to false.
Adds property to an object if the value is not undefined . Sets configurable descriptor to false .