给input元素赋值显示,用value:
let enwenInput = document.getElementById("enwenTex");
enwenInput .value = "apple";
获取input元素填入的值:
let enwen = document.getElementById("enwenText").value;
获取selection标签选中的值:
let cixingSel = document.getElementById("wordClassSelect");
let cixing = cixingSel.options[cixingSel.selectedIndex].value;
获取selection标签下的所有option:
var obj=document.getElementById('mySelect');
var items=document.getElementById("sect").options;
设置selection标签选中的项:
var obj=document.getElementById('mySelect');
obj.selectedIndex = 3;
给td标签,a标签,lable标签赋值显示,用innerHTML :
let td1 = document.createElement("td");
td1.innerHTML = wordList[i].english;
元素添加点击事件:
(1)直接加在属性上
<button onclick="updateWord()">
确 认
</button>
(2)js添加
let elea = document.createElement("a");
elea.setAttribute("href", "#");
elea.setAttribute("id", wordList[i].id);
elea.innerHTML = '编辑';
elea.onclick = editFun;
function editFun(){}
点击后弹出确认框:
<button onclick="updateWord()">
确 认
</button>
function updateWord{
var res = confirm("确定删除该条记录吗?");
if(res){
alert("删除成功!");
window.location.reload();
}
}