Answers for "prevent adding the item twice in an array javascript"

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prevent adding the item twice in an array javascript

var names = ["Mike","Matt","Nancy","Adam","Jenny","Nancy","Carl"];
var uniqueNames = [];
$.each(names, function(i, el){
if($.inArray(el, uniqueNames) === -1) uniqueNames.push(el);
});

Posted by: Guest on September-19-2020

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