是否在javascript中未选中复选框?
函数handleCheckBox ClickEvent{ 已选中ifdocument.getElementByIdeEvent.target.id{ document.getElementByIdevent.target.id.concat_visible.setAttributechecked,true; console.logdocument.getElementByIdeEvent.target.id.concat_可见; } } var requiredcheckbox=document.getelementsbyclassnamechbox\u required; 对于变量i=0,max=required复选框.length;i是否在javascript中未选中复选框?,javascript,Javascript,函数handleCheckBox ClickEvent{ 已选中ifdocument.getElementByIdeEvent.target.id{ document.getElementByIdevent.target.id.concat_visible.setAttributechecked,true; console.logdocument.getElementByIdeEvent.target.id.concat_可见; } } var requiredcheckbox=document