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Number.NaN

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Revision 417639:

Revision 417639 by Sheppy on

Revision 480925:

Revision 480925 by fscholz on

Title:
NaN
Number.NaN
Slug:
Web/JavaScript/Reference/Global_Objects/Number/NaN
Web/JavaScript/Reference/Global_Objects/Number/NaN
Tags:
"JavaScript", "Number", "Property"
Content:

Revision 417639
Revision 480925
nn7    <div>
8      {{JSRef("Global_Objects", "Number")}}
9    </div>
n11      A value representing Not-A-Number.n14      A value representing Not-A-Number. Equivalent of {{jsxref("
 >Global_Objects/NaN", "NaN")}}.
nn16    <p>
17      {{js_property_attributes(0,0,0)}}
18    </p>
19    <h2 id="Specifications">
20      Specifications
21    </h2>
n14      <thead>n23      <tbody>
n16          <th class="header" colspan="2">n25          <th scope="col">
17            Property of <a href="/en/JavaScript/Reference/Global_26            Specification
>Objects/Number" title="en/JavaScript/Reference/Global_Objects/Num 
>ber"><code>Number</code></a> 
27          </th>
28          <th scope="col">
29            Status
30          </th>
31          <th scope="col">
32            Comment
n20      </thead>n
21      <tbody>
n24            Implemented inn37            ECMAScript 1st Edition. Implemented in JavaScript 1.1
n27            JavaScript 1.1n40            Standard
41          </td>
42          <td>
43            Initial definition.
n32            ECMAScript Editionn48            {{SpecName('ES6', '#sec-number.nan, 'Number.NaN')}}
n35            ECMAScript 1st Editionn51            {{Spec2('ES6')}}
52          </td>
53          <td>
54            Latest definition.
n40    <h2 id="Description" name="Description">n59    <h2 id="Browser_compatibility">
41      Description60      Browser compatibility
t43    <p>t62    <div>
44      <code>Number.NaN</code> is the same thing than <a href="/en63      {{CompatibilityTable}}
>/JavaScript/Reference/Global_Objects/NaN" title="en/JavaScript/Re 
>ference/Global_Objects/NaN"><code>NaN</code></a>. <a href="/en/Ja 
>vaScript/Reference/Global_Objects/NaN" title="en/JavaScript/Refer 
>ence/Global_Objects/NaN">See the <code>NaN</code> page for more i 
>nfo</a>. 
64    </div>
65    <div id="compat-desktop">
66      <table class="compat-table">
67        <tbody>
68          <tr>
69            <th>
70              Feature
71            </th>
72            <th>
73              Chrome
74            </th>
75            <th>
76              Firefox (Gecko)
77            </th>
78            <th>
79              Internet Explorer
80            </th>
81            <th>
82              Opera
83            </th>
84            <th>
85              Safari (WebKit)
86            </th>
87          </tr>
88          <tr>
89            <td>
90              Basic support
91            </td>
92            <td>
93              {{CompatVersionUnknown}}
94            </td>
95            <td>
96              {{CompatVersionUnknown}}
97            </td>
98            <td>
99              {{CompatVersionUnknown}}
100            </td>
101            <td>
102              {{CompatVersionUnknown}}
103            </td>
104            <td>
105              {{CompatVersionUnknown}}
106            </td>
107          </tr>
108        </tbody>
109      </table>
110    </div>
111    <div id="compat-mobile">
112      <table class="compat-table">
113        <tbody>
114          <tr>
115            <th>
116              Feature
117            </th>
118            <th>
119              Android
120            </th>
121            <th>
122              Firefox Mobile (Gecko)
123            </th>
124            <th>
125              IE Phone
126            </th>
127            <th>
128              Opera Mobile
129            </th>
130            <th>
131              Safari Mobile
132            </th>
133          </tr>
134          <tr>
135            <td>
136              Basic support
137            </td>
138            <td>
139              {{CompatVersionUnknown}}
140            </td>
141            <td>
142              {{CompatVersionUnknown}}
143            </td>
144            <td>
145              {{CompatVersionUnknown}}
146            </td>
147            <td>
148              {{CompatVersionUnknown}}
149            </td>
150            <td>
151              {{CompatVersionUnknown}}
152            </td>
153          </tr>
154        </tbody>
155      </table>
156    </div>
157    <h2 id="See_also" name="See_also">
158      See also
45    </p>159    </h2>
160    <ul>
161      <li>The global {{jsxref("Global_Objects/NaN", "NaN")}} obje
 >ct.
162      </li>
163      <li>The {{jsxref("Global_Objects/Number", "Number")}} objec
 >t it belongs to.
164      </li>
165    </ul>

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