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React ES6 三元运算符


三元运算符

三元运算符是一个简化的条件运算符,类似于 if / else

语法: condition ? <expression if true> : <expression if false>

以下是用 if / else 的示例

示例

之前

if (authenticated) {
  renderApp();
} else {
  renderLogin();
}

自己试试 »

以下是使用三元运算符的相同示例

示例

使用三元运算符

authenticated ? renderApp() : renderLogin();

自己试试 »



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