javascript 隐藏/显示元素document.getElementById(id).style.display none//隐藏document.getElem
javascript 隐藏/显示元素
document.getElementById("id").style.display = "none";//隐藏
document.getElementById("id").style.display = "block";//显示
javascript 隐藏/显示元素
document.getElementById("id").style.display = "none";//隐藏
document.getElementById("id").style.display = "block";//显示