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<!DOCTYPE html> <head> <meta charset="utf-8"> <script src="https://d3js.org/d3.v4.min.js"></script> <style> body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; } </style> </head> <body> <script> // Feel free to change or delete any of the code you see in this editor! array1 = [{name: "Arizona", location: "Southwest"}, {name: "Virginia", location: "East"}, {name: "Florida", location: "Southeast"}]; array2 = [{name: "Arizona", id: "AZ"}, {name: "Virginia", id: "VA"}, {name: "Florida", id: "FL"}]; array1.forEach(function(d){ array2.forEach(function(c){ if(d.name == c.name) d.id = c.id})}) //console.log(array1) array3 = ['a', 'b', 'c', 'd']; array4 = ['a', 'c', 'e', 'f', 'g']; //console.log(array3) array3.forEach(function(a3){ array4.forEach(function(a4) {if(a3 == a4) console.log(a3)})}) </script> </body>
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