I have an object as follows
{
"id":34567,
"description":"The description goes here",
"favorite":false,
},
{
"id":34569,
"description":"The description goes here",
"favorite":false,
}
My question is, what JavaScript is required to change the 'favorite' value ONLY where the id = 34567
So the result will become ;
{
"id":34567,
"description":"The description goes here",
"favorite":false,
},
{
"id":34569,
"description":"The description goes here",
"favorite":true,
}
You can filter it out from the array, and change the keys value of the first elemnt of the array of filtered elements. Like here:
const data = [{ "id":34567, "description":"The description goes here", "favorite":false, }, { "id":34569, "description":"The description goes here", "favorite":false, }]; console.log(data); const addFavorite = (id) => { data.filter((d) => d.id==id)[0].favorite = true; } addFavorite(34569); console.log(data);
Or you can use the find method if tha ID's are unique, as
@cmgchess mentioned below in the comments section.
const data = [{ "id":34567, "description":"The description goes here", "favorite":false, }, { "id":34569, "description":"The description goes here", "favorite":false, }]; console.log(data); const addFavorite = (id) => { data.find((d) => d.id==id).favorite = true; } addFavorite(34569); console.log(data);
And you can map through all the filtered elements if the ID isn't unique.
const data = [{ "id":34567, "description":"The description goes here", "favorite":false, }, { "id":34569, "description":"The description goes here", "favorite":false, }, { "id":34569, "description":"It is a copy", "favorite":false, } ]; console.log(data); const toggleFavorite = (id) => { data.filter((d) => d.id==id).map((d)=>d.favorite = !d.favorite); } toggleFavorite(34569); console.log(data);
you can use map function for this.
data = data.map(d => {
if(d.id === 34569) {
d.favorite = true;
}
return d;
});
this will also work if there are multiple objects in array which satisfy the condition.
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