Quiz 6: JavaScript 3 and the DOM

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At the core of DHTML is ____.

DOM

Through the ____ object you can access other objects that represent elements on a Web page.

Document

"DHTML" refers to a single technology.

False

The following example returns a list of all elements where the id="intro" var x = document.getElementsByClassName("intro");

False

The following statement finds all of the <span> elements in the HTML document: var x = document.getElementsByTagName("p");

False

Each element on a Web page is represented in the HTML DOM by its own object.

True

The DOM is a W3C (World Wide Web Consortium) standard.

True

The getElementsByName() method always returns an array, even if there is only one element in the document with a matching name attribute.

True

Which of the following is the correct syntax for accessing the value of the href attribute for the third a element in a document?

document.getElementByTagName("a")[2].href

The ____ method returns an array of elements that match a specified tag name.

getElementsByTagName()

What is the correct JavaScript syntax to change the content of the HTML element below? <p id="demo">This is a demonstration.</p>

document.getElementById("demo").innerHTML = "Hello World!"; #demo.innerHTML = "Hello World!";

Which of the following is the correct syntax for accessing an element with the id value headline?

document.getElementById("headline")

The ____ property of the Image object allows JavaScript to dynamically change an image.

src


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