I want to see if my object:
{
application: "123 abc"
description: "done"
id: 672372
issueDate: "2008-07-02T00:00:00"
}
has the key description if it does then replace the key with information. How can I do it?
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stackoverflow.com/questions/4647817/…epascarello– epascarello2020-07-22 02:31:26 +00:00Commented Jul 22, 2020 at 2:31
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3 Answers
const obj = {...} // => any object
if(obj.hasOwnProperty('description')) {
obj.information = obj.description;
delete obj.description;
}
2 Comments
seyet
what if I want to replace it with a key that has a white space in it? like "important information"?
Susheel Singh
@seyet
obj['important information'] = "some new value."Simple way:
var obj = {
application: "123 abc",
description: "done",
id: 672372,
issueDate: "2008-07-02T00:00:00"
}
console.log('before' + obj['application']);
if(obj['application']) {
obj['application'] = 'new value';
}
console.log('after' + obj['application']);Comments
Using the destructuring and renaming the property. This will avoid mutating the current object.
obj = {
application: "123 abc",
description: "done",
id: 672372,
issueDate: "2008-07-02T00:00:00",
};
const update = ({ description: information, ...rest }) =>
Object.assign(rest, information ? { information } : {});
console.log(update(obj));
console.log(update({id: 2}));
answered Jul 22, 2020 at 4:35
Siva Kondapi Venkata
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