JavaScript Selects document elements

• With the specified ID attribute

• With the specified Name property

• With the specified tag name

• With the specified CSS class

• Matches the specified CSS selector

selecting elements by ID

var section1 = document.getElementById ("Section1")

Note: In browsers that are below the IE8 version, getElementById () is not case sensitive to the ID of the matching element, and also returns the element that matches the name attribute.

Select elements by name

Unlike the ID, the Name property is valid only in a few HTML elements, including forms, form elements, <iframe>, elements

var radiobuttons= document.getelementbyname ("Favorite_Color")

selecting elements by ID

var Section1 = document.getElementById ("Section1")

selecting elements by ID

var Section1 = document.getElementById ("Section1")

selecting elements by ID

var Section1 = document.getElementById ("Section1")

JavaScript Selects document elements