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Javascript-词法作用域和动态作用域.html
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Javascript 词法作用域和动态作用域
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<span class="post-count">本文共 54 字</span>
<span class="post-count">预计花费 1 分钟</span>
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<h2 id="作用域（scope）"><a href="#作用域（scope）" class="headerlink" title="作用域（scope）"></a>作用域（scope）</h2><ul>
<li><p>作用域是 <strong>定义变量的区域</strong>， 规定了如何查找变量（即正在执行的代码对变量的访问权限）</p>
</li>
<li><p>Javascript 采用 <strong>词法作用域</strong>（即 <strong><em>静态作用域</em></strong>）</p>
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<p>##</p>
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<ol class="nav"><li class="nav-item nav-level-2"><a class="nav-link" href="#作用域（scope）"><span class="nav-number">1.</span> <span class="nav-text">作用域（scope）</span></a></li></ol>
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