slidesPerView not working in ionic v1

ionic-v1
1

hi everyone,
i want to use slidesPerView in ionic v1 but its not working
Thanks in advance
here is my code please help

		<ion-slide>
			<div class="box yellow"><h1>red</h1></div>
		</ion-slide>
		<ion-slide>
			<div class="box yellow"><h1>YELLOW</h1></div>
		</ion-slide>
		<ion-slide>
			<div class="box pink"><h1>PINK</h1></div>
		</ion-slide>
	</ion-slide-box>