JavaScript: Butona Tıklayınca Sayıyı Arttırma / Azaltma
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<!doctype html> <html> <head> <meta charset="utf-8"> <style> input[type="button"]{ width: 200px; height: 200px; border:none; font-size:3em; background: #FF6766; color:#E7E7E7; } </style> <title>YAZILIM BİLİŞİM</title> </head> <body> <input type=button onclick="arttir()" value="+"> <input type=button onclick="azalt()" value="-"> <input type=button id="sonuc" value="0"> <script> function arttir(){ var sonuc=document.getElementById("sonuc"); sonuc.value=Number(sonuc.value)+1; } function azalt(){ var sonuc=document.getElementById("sonuc"); sonuc.value=Number(sonuc.value)-1; } </script> </body> </html> |
