英語 での Strict mode の使用例とその 日本語 への翻訳
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So we introduced the strict mode- which now expects a decision by the developer.
When using Vuex in strict mode, it could be a bit tricky to use v-model on a piece of state that belongs to Vuex.
So, in strict mode, if this was not defined by the execution context, it remains undefined.
For more information about JavaScript strict mode, see the Mozilla Developer Network.
Even in strict mode, the numeric types are implicitly converted to the other numeric types.
Concatenation of strict mode scripts with each other is fine, and concatenation of non-strict mode scripts is fine.
It will be easier to make some changes if the foundations of those changes are prohibited in strict mode.
On Firefox 46 and later, such code in strict mode will throw a TypeError according to the ECMAScript 2015(ES6) spec.
Change to eval In strict mode code, eval doesn't create a new variable in the scope from which it was called.
Syntax class name[extends]{// class body} Description The class body of a class declaration is executed in strict mode.
Strict mode code and non-strict mode code can coexist, so scripts can opt into strict mode incrementally.
By intentionally double-invoking methods like the component constructor, strict mode makes patterns like this easier to spot.
Note: If your server enables SQL strict mode, you will receive'Data too long for column…' error.
Strict mode makes great strides toward treating eval and arguments as keywords, although full fixes will not come until a future edition of ECMAScript.
Strict mode does not use the legacy parser and any parsing violations return errors.
The strict mode conforms solely to the specifications but other modes contain support for markup used by browsers in the past.
You can enable strict mode for any part of your application. For example.
To disable strict mode in dev, follow the below example in store/index.
Strict mode is enabled by placing"use strict" at the top of a script or function.
To enable strict mode, simply pass in strict: true when creating a Vuex store.