Question

How do I efficiently check to see if multiple variables’ values all match? The following function should return true if they match and false if they don’t:

function projectIsLocked (data) {
    if (data.ArchiveSnapshotID === data.CurrentSnapshotID === data.LiveSnapshotID) {
        return true;
    }
    return false;
}

I thought I could just use if (data.ArchiveSnapshotID === data.CurrentSnapshotID === data.LiveSnapshotID) but it doesn’t seem to work.

Ideas for something simple?

Answer 1

If there are just 3 comparisons , then this should be enough.

function projectIsLocked (data) {
    var archive = data.ArchiveSnapshotID;
    var current = data.CurrentSnapshotID;
    var live = data.LiveSnapshotID;

    return (archive === current && current === live)
}