讓我們假設你有你的按鈕,在這裏您可以把你的東西,在下面的容器:
<button [...] />
<div id="myContainer"></div>
然後你就可以填充容器調用
var myContainer = document.getElementById("myContainer");
var paragraph = document.createElement("p");
paragraph.appendChild(document.createTextNode("YourNumberOrTextHere"));
myContainer.appendChild(paragraph);
你會發現其餘的部分! ;)
編輯: 按照你的意見,作如下補充:
要刪除一個元素,你需要對它的引用。
通過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");
通過標籤名:
//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]
通過參考:
//Just reuse the variable you used when you created your element
var paragraph = document.createElement("p");
//use paragraph
更多找出:
;)
NOW:刪除它:
你必須告訴parentContainer,它應該刪除的子元素。幸運的是,每一個元素保存到其父的引用:
paragraph.parentElement.removeChild(paragraph);
生成一個變量您的HTML構建段落。然後將其插入段落 – AMember
轉到並閱讀[DOM教程](http://www.w3.org/wiki/Web_Standards_Curriculum#JavaScript_core_skills) – Quentin