JSFiddle - React, Tailwind, and code Playground

JavaScript

var counts = [100000, 200000, 250000];
var funcs = {
	"no try": function(a) {
        var lowest = 0;
		for (var i = 1; i < a.length; i++) {
			    if (a[i] < a[lowest]) lowest = i;
		}
		return lowest;
	},
	"try": function(a) {
        var lowest = 0;
        try{
		for (var i = 1; i < a.length; i++) {
			    if (a[i] < a[lowest]) lowest = i;
		}
        }catch(e)
        {}
		return lowest;
    }
};
var random = {
	"doubles": function(a) {
		for (var i = 0; i < a.length; i++) {
			a[i] = Math.random();
		}
	},
	"ints": function(a) {
		for (var i = 0; i < a.length; i++) {
			a[i] = Math.floor(Math.random() * 1000000000);
		}
	}
};

var text = "Relative running time per array element\nElements\t";
for (var i in funcs) {
	text += i + "\t";
}
text += "\n" + navigator.userAgent + "\n";

for (var i = 0; i < counts.length; i++) {
	var a = new Array(counts[i]);
    
	var keys = Object.keys(random);
	for (var j = 0; j < keys.length; j++) {
		text += counts[i] + " " + keys[j] + "\t";
		random[keys[j]](a);

		for (var k in funcs) {
			var time = 0;
			for (var l = 0; l < 100; l++) { 
				var err = false;
				var now = new Date().valueOf();
				try {
					funcs[k](a);
				} catch(e) {
					err = true;
				}
				time += new Date().valueOf() - now;
				if (err) {
					break;
				}
			}
			if (err) {
				text += "ERROR\t";
			} else {
				text += time / 100 + "\t";
			}
		}
		text += "\n";
	}
}
var pre = document.createElement("pre");
pre.innerText = pre.textContent = text;
document.body.appendChild(pre);