让我们假设你有你的按钮,在这里您可以把你的东西,在下面的容器:
<button [...] />
<div id="myContainer"></div>
然后你就可以填充容器调用
var myContainer = document.getElementById("myContainer");
var paragraph = document.createElement("p");
paragraph.appendChild(document.createTextNode("YourNumberOrTextHere"));
myContainer.appendChild(paragraph);
你会发现其余的部分! ;)
编辑: 按照你的意见,作如下补充:
要删除一个元素,你需要对它的引用。
通过ID:
//Create element and give it a unique ID
var paragraph = document.createElement("p");
paragraph.id = "element1";
//Now you can get it like this
var paragraph = document.getElementById("element1");
通过标签名:
//Request all elements with a certain tag name
var paragraphs = document.getElementsByTagName("p");
//or only those of our container:
var paragraphs = document.getElementById("myContainer").getElementsByTagName("p");
//Now you can mess with all of them like this:
var paragraph = paragraphs[0]
通过参考:
//Just reuse the variable you used when you created your element
var paragraph = document.createElement("p");
//use paragraph
更多找出:
;)
NOW:删除它:
你必须告诉parentContainer,它应该删除的子元素。幸运的是,每一个元素保存到其父的引用:
paragraph.parentElement.removeChild(paragraph);
生成一个变量您的HTML构建段落。然后将其插入段落 – AMember
转到并阅读[DOM教程](http://www.w3.org/wiki/Web_Standards_Curriculum#JavaScript_core_skills) – Quentin