<input type="text" class="txt" maxlength="5" placeholder="1"/> <br/> <input type="text" class="txt" maxlength="5" placeholder="2"/> <br/> <input type="text" class="txt" maxlength="5" placeholder="3"/>
<script>
var txt = document.getElementsByClassName("txt"); for(var i=0;i<txt.length;i++){ txt[i].onkeyup = function(){ if(this.value.length == 5){ this.blur(); txt[i+1].focus(); }; }; }
</script>
需求是这样的:在输入框输入内容之后,自动将焦点定位到下一个input上
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