When I click start
,some choices will be displayed.
I would like to select each choice by getElementById
is it possible?
我该如何改变自己的工作来实现呢?
谢谢
document.getElementById("start").addEventListener('click',function(){
html=" ";
for (let i=1;i<=4; i++){
html+= "<button id='choice'>"+"choice"+i+"</button><br>";
}
document.querySelector('.btn').innerHTML = html;
});
document.getElementById("choice").addEventListener('click',function(){
console.log(this);
});
<div class ="btn"><button id="start">start</button></div>
当元素出现在DOM中时,应将事件附加到元素上。此外,属性ID在文档中必须唯一。
您可以尝试以下方式: