javaScript) 랜덤(난수) 생성하기

	// (1) 0 <= random < 1
	const rand1 = Math.random();
	document.write('(1) ' + rand1 + '<br>');
	// (2) 0
	const rand2 = Math.floor(Math.random());
	document.write('(2) : ' + rand2 + '<br>');
	// (3) 0 <= random <= 9
	const rand_0_9 = Math.floor(Math.random() * 10);
	document.write('(3) : ' + rand_0_9 + '<br>');
	// (4) 0 <= random <= 10
	const rand_0_10 = Math.floor(Math.random() * 11);
	document.write('(4) : ' + rand_0_10 + '<br>');
	// (5) 0 <= random <= 99
	const rand_0_99 = Math.floor(Math.random() * 100);
	document.write('(5) : ' + rand_0_99 + '<br>');
	// (6) 0 <= random <= 100
	const rand_0_100 = Math.floor(Math.random() * 101);
	document.write('(6) : ' + rand_0_100 + '<br>');
	// (7) 1 <= random <= 10
	const rand_1_10 = Math.floor(Math.random() * 10) + 1;
	document.write('(7) : ' + rand_1_10 + '<br>');
	// (8) 2 <= random <= 5
	const rand_2_5 = Math.floor(Math.random() * 4) + 2;
	document.write('(8) : ' + rand_2_5 + '<br>');

view raw gistfile1.txt hosted with ❤ by GitHub