Let's say we have an array in Javascript like this:
var arr = ['item1', 'item2', 'item3'];
I need to concatenate all the values in the array into a single variable. The resulting variable should look like this:
var items;
console.log(items); // item1, item2, item3
The easiest solution is to use the Array#join method. You just need to provide a delimiter string:
let items = ['item1', 'item2', 'item3'];
let result = items.join(' | ');
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