diff options
Diffstat (limited to 'files/zh-tw/web/javascript/reference/global_objects/array/length')
| -rw-r--r-- | files/zh-tw/web/javascript/reference/global_objects/array/length/index.html | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/files/zh-tw/web/javascript/reference/global_objects/array/length/index.html b/files/zh-tw/web/javascript/reference/global_objects/array/length/index.html index 1b6497b07a..6f13a69ecd 100644 --- a/files/zh-tw/web/javascript/reference/global_objects/array/length/index.html +++ b/files/zh-tw/web/javascript/reference/global_objects/array/length/index.html @@ -14,9 +14,9 @@ items.length; <h2 id="描述">描述</h2> -<p><code>length</code> 屬性的值必為一正整數，其值必介於 0 ～ 2<sup>32</sup> (不包含)之間.</p> +<p><code>length</code> 屬性的值必為一正整數，其值必介於 0 ～ 2^32 (不包含)之間.</p> -<pre class="brush: js">var namelistA = new Array(4294967296); //2<sup>32</sup><sup> = </sup>4294967296 +<pre class="brush: js">var namelistA = new Array(4294967296); //2^32 = 4294967296 var namelistC = new Array(-100) //負數 console.log(namelistA.length); //RangeError: Invalid array length @@ -25,7 +25,7 @@ console.log(namelistC.length); //RangeError: Invalid array length var namelistB = []; -namelistB.length = Math.pow(2,32)-1; //將長度設定介於 0 ~ 2<sup>32 </sup>-1 +namelistB.length = Math.pow(2,32)-1; //將長度設定介於 0 ~ 2^32 -1 console.log(namelistB.length); //4294967295</pre> |