const index = this.List.findIndex((item:any) => {
return item.NAME === result.NAME;
});
The index is consistently returning -1 even when the element is found in the List.
const index = this.List.findIndex((item:any) => {
return item.NAME === result.NAME;
});
The index is consistently returning -1 even when the element is found in the List.
In order to find the desired value, you must ensure to:
const index = this.List.findIndex((element) => {
return element.name === result.name;
});
If not found, it will return undefined which is indicated by -1.
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