difference - nodef/extra-entries GitHub Wiki

Obtain entries not present in another entries.

Similar: union, intersection, difference, symmetricDifference, isDisjoint.

function difference(x, y)
// x: entries
// y: another entries
const entries = require('extra-entries');

var x = ["a", 1], ["b", 2], ["c", 3], ["d", 4], ["e", 5](/nodef/extra-entries/wiki/"a",-1],-["b",-2],-["c",-3],-["d",-4],-["e",-5);
var y = ["b", 2], ["d", 4](/nodef/extra-entries/wiki/"b",-2],-["d",-4);
[...entries.difference(x, y)];
// → [ [ "a", 1 ], [ "c", 3 ], [ "e", 5 ] ]

var y = ["b", -2], ["d", -4](/nodef/extra-entries/wiki/"b",--2],-["d",--4);
[...entries.difference(x, y)];
// → [ [ "a", 1 ], [ "c", 3 ], [ "e", 5 ] ]

References