determine if array has duplicates lodash
function hasDuplicates(a) {
return _.uniq(a).length !== a.length;
}
var a = [1,2,1,3,4,5];
var b = [1,2,3,4,5,6];
document.write(hasDuplicates(a), ',',hasDuplicates(b));determine if array has duplicates lodash
function hasDuplicates(a) {
return _.uniq(a).length !== a.length;
}
var a = [1,2,1,3,4,5];
var b = [1,2,3,4,5,6];
document.write(hasDuplicates(a), ',',hasDuplicates(b));lodash count duplicates in array
const data = ["apple", "banana", "apple", "orange", "grapes", "mango", "banana"];
const result = _.values(_.groupBy(data)).map(d => ({name: d[0], count: d.length}));
console.log(result);lodash merge array of objects without duplicates
var c = _.map(a, function(obj) {
return _.assign(obj, _.find(b, {parentId: obj.aId}));
})Copyright © 2021 Codeinu
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