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author | Kevin CHEN <33132228+KevinZonda@users.noreply.github.com> | 2021-06-16 20:01:15 +0100 |
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committer | Irvin <irvinfly@gmail.com> | 2021-06-18 01:45:01 +0800 |
commit | 8ae99e7af15133a7849e417ba2222033b5ab2e05 (patch) | |
tree | f789688d52645fa0eddf20ecf9cf0fee86c38fd6 | |
parent | fed8f903c0949ab8eaf52afd445f9f7821dd147b (diff) | |
download | translated-content-8ae99e7af15133a7849e417ba2222033b5ab2e05.tar.gz translated-content-8ae99e7af15133a7849e417ba2222033b5ab2e05.tar.bz2 translated-content-8ae99e7af15133a7849e417ba2222033b5ab2e05.zip |
fix #516
-rw-r--r-- | files/zh-cn/web/javascript/reference/global_objects/object/issealed/index.html | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/files/zh-cn/web/javascript/reference/global_objects/object/issealed/index.html b/files/zh-cn/web/javascript/reference/global_objects/object/issealed/index.html index df91848da8..c2f007e58a 100644 --- a/files/zh-cn/web/javascript/reference/global_objects/object/issealed/index.html +++ b/files/zh-cn/web/javascript/reference/global_objects/object/issealed/index.html @@ -37,21 +37,22 @@ translation_of: Web/JavaScript/Reference/Global_Objects/Object/isSealed var empty = {}; Object.isSealed(empty); // === false -// 如果你把一个空对象变的不可扩展,则它同时也会变成个密封对象. +// 如果你把一个空对象变的不可扩展,则它同时也会变成个密封对象. Object.preventExtensions(empty); Object.isSealed(empty); // === true -// 但如果这个对象不是空对象,则它不会变成密封对象,因为密封对象的所有自身属性必须是不可配置的. +// 但如果这个对象不是空对象,则它不会变成密封对象,因为密封对象的所有自身属性必须是不可配置的. var hasProp = { fee: "fie foe fum" }; Object.preventExtensions(hasProp); Object.isSealed(hasProp); // === false -// 如果把这个属性变的不可配置,则这个属性也就成了密封对象. -Object.defineProperty(hasProp, "fee", { configurable: false }); -Object.isSealed(hasProp); // === false -Object.isSealed(hasProp.fee); // === true +// 如果把这个属性变的不可配置,则这个属性也就成了密封对象. +Object.defineProperty(hasProp, 'fee', { + configurable: false +}); +Object.isSealed(hasProp); // === true -// 最简单的方法来生成一个密封对象,当然是使用Object.seal. +// 最简单的方法来生成一个密封对象,当然是使用Object.seal. var sealed = {}; Object.seal(sealed); Object.isSealed(sealed); // === true |