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const array = [{
tweet: 'hi',
date: 2012
},
{
tweet: 'my'
,date:2014
},{
tweet:'teddy'
,date:2018
}];
//O(n^2)
console.log("Ryan".length); //O(1) in Javascript
console.log(array[0]); //O(1)
array[array.length-1]; // O(1)
JavaScript
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