C777 Web Development Applications Post-Assessment with Complete Solutions.

Which of the following statements about HTML5 is true? - ANSWER-HTML5 does not require third-party plug-ins for video and audio content What is the purpose of using the <output> element in a Web form? - ANSWER-It displays the result of a calculation in the form Why are syntax errors so common when writing JavaScript code? - ANSWER-Because JavaScript is case-specific What CSS3 property can be used to create rounded corners on an image or other element? - ANSWER-border-radius What type of JavaScript expression evaluates to true or false? - ANSWER-Logical Which statement is true about JavaScript? - ANSWER-JavaScript is widely used for client-side and server-side scripts You have created a Web page using the HTML5 <nav> structural element to define a navigation area. Consider the following external style sheet code: nav { float:left; width:165px; background:#d8d8d8 url() top right; height:662px; } Where on the page will the image () appear? - ANSWER-At the top right of the nav section Kate has created a complex script that she wants to attach to multiple HTML files, but she also wants to add a simple script to only certain sections of one page. What must she do to apply both scripts? - ANSWER-She must use separate <script> elements to call the external script file and to embed a separate script Vivi is creating a Web page that will allow her employees to upload their timesheets to the company intranet. What HTML5 API can she use to restrict uploads to a specific file type? - ANSWER-The File API Which method of form input validation is sometimes referred to as "pogo-sticking" and may lead to users becoming frustrated or impatient with the form? - ANSWER-Requiring users to click Submit before validation occurs Which HTML5 attribute can help users input valid form data in the <textarea> element by providing the user with a hint identifying the expected input in the field? - ANSWER-The placeholder attribute Consider the following code: