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Diffstat (limited to 'files/zh-cn/web/javascript/reference/operators/logical_not/index.html')
-rw-r--r-- | files/zh-cn/web/javascript/reference/operators/logical_not/index.html | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/files/zh-cn/web/javascript/reference/operators/logical_not/index.html b/files/zh-cn/web/javascript/reference/operators/logical_not/index.html index f05bfb180a..e27ad4db4f 100644 --- a/files/zh-cn/web/javascript/reference/operators/logical_not/index.html +++ b/files/zh-cn/web/javascript/reference/operators/logical_not/index.html @@ -13,7 +13,7 @@ translation_of: Web/JavaScript/Reference/Operators/Logical_NOT <h2 id="语法">语法</h2> -<pre class="syntaxbox notranslate">!<var>expr</var> +<pre class="syntaxbox">!<var>expr</var> </pre> <h2 id="Description">Description</h2> @@ -40,7 +40,7 @@ translation_of: Web/JavaScript/Reference/Operators/Logical_NOT <p>The following code shows examples of the <code>!</code> (logical NOT) operator.</p> -<pre class="brush: js notranslate">n1 = !true // !t returns false +<pre class="brush: js">n1 = !true // !t returns false n2 = !false // !f returns true n3 = !'' // !f returns true n4 = !'Cat' // !t returns false</pre> @@ -51,7 +51,7 @@ n4 = !'Cat' // !t returns false</pre> <p>The same conversion can be done through the {{jsxref("Global_Objects/Boolean/Boolean", "Boolean")}} function.</p> -<pre class="brush: js notranslate">n1 = !!true // !!truthy returns true +<pre class="brush: js">n1 = !!true // !!truthy returns true n2 = !!{} // !!truthy returns true: <strong>any</strong> object is truthy... n3 = !!(new Boolean(false)) // ...even Boolean objects with a false <em>.valueOf()</em>! n4 = !!false // !!falsy returns false @@ -62,11 +62,11 @@ n6 = !!Boolean(false) // !!falsy returns false</pre> <p>The following operation involving <strong>booleans</strong>:</p> -<pre class="brush: js notranslate">!!bCondition</pre> +<pre class="brush: js">!!bCondition</pre> <p>is always equal to:</p> -<pre class="brush: js notranslate">bCondition</pre> +<pre class="brush: js">bCondition</pre> <h2 id="Specifications">Specifications</h2> |