When you want to add something to an array, just push() it in:
var lyrics = ['push', 'it', 'real'];
lyrics.push('good');
// [ 'push', 'it', 'real', 'good' ]— Sorry to interrupt this program! 📺
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The syntax is real simple:
myArray.push(toAdd);You can also push multiple items at once:
myArray.push(item1, item2, item3);