I am trying to create a javascript object with two array indexes, but it does not seem possible. Why is that? For example:
var arr = ["name","john"];
var obj = {arr[0]:arr[1]}
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3 Answers
Computed property names need brackets [myPropName]
var arr = ["name","john"]
var obj = {[arr[0]]:arr[1]}
obj.name // 'john'
1 Comment
jp207
Good answer. I forgot about the brackets with my answer. Deleted it since this is the correct answer.
You can also do Object.assign,
var arr = ["name","john"];
var obj = {};
var newObj = Object.assign(obj, {[arr[0]]: arr[1]});
console.log(newObj);
Comments
If you use arr[0] then js will understand that the property name is arr[0] not "name", so you need [arr[0]] for it to interpret as "name"
var obj = {[arr[0]]:arr[1]}
