JSFiddle - React, Tailwind, and code Playground

by David_Knowles

JavaScript

// The Array forEach method instead of for loop

function getStockSymbols (stocks) {
    var symbols = [];
	//var counter;
	//var stock;
    
	//for (counter = 0; counter < stocks.length; counter++) {
	//	stock = stocks[counter];
	//	symbols.push(stock.symbol);
	//}
    
    stocks.forEach(function(stock) {
    	symbols.push(stock.symbol);
    });
		        
	return symbols;
}
	        
var symbols = getStockSymbols ([
	{symbol: "XFX", price: 240.22, volume: 23432 },
	{symbol: "TNZ", price: 332.19, volume: 123 },
	{symbol: "JXJ", price: 120.67, volume: 5323 }
]);
	        
console.log(JSON.stringify(symbols));
console.log(symbols);