2019年10月15日 星期二

JavaScript HTML DOM Document

HTML Elements

Method Description
document.getElementById(id) Find an element by element id
document.getElementsByTagName(name) Find elements by tag name
document.getElementsByClassName(name) Find elements by class name


Changing HTML Elements

Property Description
element.innerHTML =  new html content Change the inner HTML of an element
element.attribute = new value Change the attribute value of an HTML element
element.style.property = new style Change the style of an HTML element
Method Description
element.setAttribute(attribute, value) Change the attribute value of an HTML element


Adding and Deleting Elements

Method Description
document.createElement(element) Create an HTML element
document.removeChild(element) Remove an HTML element
document.appendChild(element) Add an HTML element
document.replaceChild(new, old) Replace an HTML element
document.write(text) Write into the HTML output stream


HTML Objects

Property Description DOM
document.anchors Returns all <a> elements that have a name attribute 1
document.applets Returns all <applet> elements (Deprecated in HTML5) 1
document.baseURI Returns the absolute base URI of the document 3
document.body Returns the <body> element 1
document.cookie Returns the document's cookie 1
document.doctype Returns the document's doctype 3
document.documentElement Returns the <html> element 3
document.documentMode Returns the mode used by the browser 3
document.documentURI Returns the URI of the document 3
document.domain Returns the domain name of the document server 1
document.domConfig Obsolete. Returns the DOM configuration 3
document.embeds Returns all <embed> elements 3
document.forms Returns all <form> elements 1
document.head Returns the <head> element 3
document.images Returns all <img> elements 1
document.implementation Returns the DOM implementation 3
document.inputEncoding Returns the document's encoding (character set) 3
document.lastModified Returns the date and time the document was updated 3
document.links Returns all <area> and <a> elements that have a href attribute 1
document.readyState Returns the (loading) status of the document 3
document.referrer Returns the URI of the referrer (the linking document) 1
document.scripts Returns all <script> elements 3
document.strictErrorChecking Returns if error checking is enforced 3
document.title Returns the <title> element 1
document.URL Returns the complete URL of the document 1


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