Firefox quirk

Firefox quirk

/**
 * First loop will run few hundred times slower
 */

var i, limit = 100000;

var time = +new Date;

for (i = 0; true; ++i) {
	if (i > limit) {
		break;
	}
}

document.write("1. time: " + (new Date - time));
time = +new Date;

for (i = 0; 1 < 2; ++i) {
	if (i > limit) {
		break;
	}
}

document.write("<br />2. time: " + (new Date - time));