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| author | Masahiro FUJIMOTO <mfujimot@gmail.com> | 2021-09-04 00:46:12 +0900 |
|---|---|---|
| committer | Masahiro FUJIMOTO <mfujimot@gmail.com> | 2021-09-04 00:46:12 +0900 |
| commit | fe6f6abf2b7c497bf1f97f73a82dde7cf48eb79f (patch) | |
| tree | 51b7edfc370236684a203f4e69ae67bb7d24b549 /files/zh-cn/web/javascript/guide | |
| parent | 04ea4edc83cc12142ed151bbea2c65cffc8e76f6 (diff) | |
| parent | eeb07fe338cdc90092841d717919f46f9d9e3ff9 (diff) | |
| download | translated-content-fe6f6abf2b7c497bf1f97f73a82dde7cf48eb79f.tar.gz translated-content-fe6f6abf2b7c497bf1f97f73a82dde7cf48eb79f.tar.bz2 translated-content-fe6f6abf2b7c497bf1f97f73a82dde7cf48eb79f.zip | |
Merge branch 'main' into 20210818-Glossary/Type
Diffstat (limited to 'files/zh-cn/web/javascript/guide')
| -rw-r--r-- | files/zh-cn/web/javascript/guide/grammar_and_types/index.html | 4 | ||||
| -rw-r--r-- | files/zh-cn/web/javascript/guide/text_formatting/index.html | 2 |
2 files changed, 3 insertions, 3 deletions
diff --git a/files/zh-cn/web/javascript/guide/grammar_and_types/index.html b/files/zh-cn/web/javascript/guide/grammar_and_types/index.html index 0ea7538a96..8b00401fcc 100644 --- a/files/zh-cn/web/javascript/guide/grammar_and_types/index.html +++ b/files/zh-cn/web/javascript/guide/grammar_and_types/index.html @@ -447,8 +447,8 @@ console.log(a[0]); // 3</pre> <pre class="brush: js notranslate">3.14 -.2345789 // -0.23456789 --3.12e+12 // -3.12*10<sup>12</sup> -.1e-23 // 0.1*10<sup>-23</sup>=10<sup>-24</sup>=1e-24 +-3.12e+12 // -3.12*10^12 +.1e-23 // 0.1*10^(-23)=10^(-24)=1e-24 </pre> <h3 id="对象字面量_Object_literals">对象字面量 (Object literals)</h3> diff --git a/files/zh-cn/web/javascript/guide/text_formatting/index.html b/files/zh-cn/web/javascript/guide/text_formatting/index.html index 522b3ed362..eac38b4502 100644 --- a/files/zh-cn/web/javascript/guide/text_formatting/index.html +++ b/files/zh-cn/web/javascript/guide/text_formatting/index.html @@ -62,7 +62,7 @@ typeof foo; // 返回 'object'</pre> <pre class="brush: js notranslate">const firstString = '2 + 2'; //创建一个字符串字面量 const secondString = new String('2 + 2'); // 创建一个字符串对象 eval(firstString); // 返回数字 4 -eval(secondString); // 返回字符串 "2 + 2"</pre> +eval(secondString); // 返回包含 "2 + 2" 的字符串对象</pre> <p><code>String</code> 对象有一个属性 <code>length</code>，标识了字符串中 UTF-16 的码点个数。举例，下面的代码把 13 赋值给了<code>helloLength</code>，因为 "Hello, World!" 包含 13 个字符，每个字符用一个 UTF-16 码点表示。你可以通过数组的方式访问每一个码点，但你不能修改每个字符，因为字符串是不变的类数组对象： </p> |