<div class="rool"> <button type="button" class="btn" id="tralef">TRA LEF</button><!--左移动,方向不变--> <button type="button" class="btn" id="tratop">TRA TOP</button><!--上移动,方向不变--> <button type="button" class="btn" id="trarig">TRA RIG</button><!--右移动,方向不变--> <button type="button" class="btn" id="trabot">TRA BOT</button><!--下移动,方向不变--> <button type="button" class="btn" id="movlef">MOV LEF</button><!--左旋转,左移动--> <button type="button" class="btn" id="movtop">MOV TOP</button><!--上旋转,上移动--> <button type="button" class="btn" id="movrig">MOV RIG</button><!--右旋转,右移动--> <button type="button" class="btn" id="movbot">MOV BOT</button><!--下旋转,下移动--> </div>
function go(ev){
var e=ev||window.event;
var btn=e.target||e.srcElement;
var btnId = btn.id;
console.log(btnId);
}ev的参数我应该写什么实参?
kevinZee
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