Home >Backend Development >PHP Tutorial >javascript - If the field of the js object is dynamic, how to get the value of this dynamic field?
javascript - If the field of the js object is dynamic, how to get the value of this dynamic field?
- WBOYOriginal
- 2016-10-10 11:56:152314browse
var obj={
"key1":"v1",
"key2":"v2"
}
If the value of key2 is taken, it is obj.key2
But if you want to retrieve it dynamically, such as var key="key2"
obj.key?
?
Reply content:
var obj={
"key1":"v1",
"key2":"v2"
}
If the value of key2 is taken, it is obj.key2
But if you want to retrieve it dynamically, such as var key="key2"
obj.key?
?
obj[key]. It is recommended to check out the basics
Statement：
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Previous article：laravel, vendor is different from the project's own fetchNext article：laravel, vendor is different from the project's own fetch