标签：element pre row get eve fonts parse name class
1 <body> 2 <textarea name="" id="text" cols="30" rows="10" style="font-size: 18px;width: 200px;height: 200px;"></textarea><br/> 3 <button id="btnBi">增大字号</button> <button id="btnSm">减小字号</button> 4 <script> 5 var btnBi=document.getElementById(‘btnBi‘); 6 var btnSm=document.getElementById(‘btnSm‘); 7 var text=document.getElementById(‘text‘); 8 btnBi.addEventListener(‘click‘,function () { 9 text.style.fontSize=parseInt(text.style.fontSize)+5+‘px‘; 10 }) 11 btnSm.addEventListener(‘click‘,function () { 12 text.style.fontSize=parseInt(text.style.fontSize)-5+‘px‘; 13 }) 14 </script> 15 </body>
标签：element pre row get eve fonts parse name class
原文地址：http://www.cnblogs.com/jiaoyue/p/6765313.html
