java_js_避免无意义的条件判断

反例:
function createMicrobrewery(name) {
  var breweryName;
  if (name) {
    breweryName = name;
  } else {
    breweryName = 'Hipster Brew Co.';
  }
}
正例:

function createMicrobrewery(name) {
  var breweryName = name || 'Hipster Brew Co.'
}