<   W3Schools jQuery Quiz   >

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( )1. Which jQuery method returns the direct parent element of the selected element?(1)ancestor() (2)parent() (3)parents() (4)ancestors()
( )2. The jQuery animate() method can be used to animate ANY CSS property?(1)Only properties containing numeric values (2)All properties except the shorthand properties (3)N/A (4)Yes
( )3. Which jQuery method is used to switch between adding/removing one or more classes (for CSS) from selected elements?(1)switch() (2)switchClass() (3)toggleClass() (4)altClass()
( )4. Look at the following selector: $("p#intro"). What does it select?(1)N/A (2)N/A (3)The p element with id="intro" (4)All p elements with class="intro"
( )5. What is the correct jQuery code for making all div elements 100 pixels high?(1)N/A (2)$("div").height="100" (3)$("div").height(100) (4)$("div").yPos(100)
( )6. Which jQuery method is used to remove selected elements?(1)Both methods can be used (2)remove() (3)detach() (4)N/A
( )7. Which jQuery function is used to prevent code from running, before the document is finished loading?(1)N/A (2)$(document).ready() (3)$(body).onload() (4)$(document).load()
( )8. Is it possible to use jQuery together with AJAX?(1)No (2)Yes (3)N/A (4)N/A
( )9. The jQuery html() method works for both HTML and XML documents(1)N/A (2)N/A (3) False (4)TRUE
( )10. Which jQuery method is used to set one or more style properties for selected elements?(1)N/A (2)css() (3)html() (4)style()
( )11. Which sign does jQuery use as a shortcut for jQuery?(1)N/A (2) the ? Sign (3)the % sign (4)the $ sign
( )12. jQuery uses CSS selectors to select elements?(1)TRUE (2)FALSE (3)N/A (4)N/A
( )13. Which of the following is correct?(1)N/A (2)jQuery is a JavaScript Library (3)jQuery is a JSON Library (4)N/A
( )14. Look at the following selector: $("div p"). What does it select?(1)All p elements inside a div element (2)The first p element inside a div element (3)All div elements with a p element (4)N/A
( )15. Look at the following selector: $(":disabled"). What does it select?(1)All elements that does not contain the text "disabled" (2)All disabled input elements (3)All elements containing the text "disabled" (4)All hidden elements
( )16. With jQuery, look at the following selector: $("div.intro"). What does it select?(1)The first div element with class="intro" (2)All div elements with id="intro" (3) The first div element with id="intro" (4)All div elements with class="intro"
( )17. What is the correct jQuery code to set the background color of all p elements to red?(1)$("p").layout("background-color","red"); (2)$("p").style("background-color","red"); (3)$("p").css("background-color","red"); (4)$("p").manipulate("background-color","red");
( )18. Is jQuery a library for client scripting or server scripting?(1)Server scripting (2)Client scripting (3)N/A (4)N/A
( )19. Which jQuery method is used to hide selected elements?(1)hide() (2)hidden() (3)display(none) (4) visible(false)
( )20. Look at the following selector: $("div"). What does it select?(1)N/A (2)N/A (3)All div elements (4)The first div element
( )21. Which jQuery method is used to perform an asynchronous HTTP request?(1)jQuery.ajax() (2)jQuery.ajaxAsync() (3)N/A (4)jQuery.ajaxSetup()
( )22. Which statement is true?(1)To use jQuery, you must buy the jQuery library at www.jquery.com (2)To use jQuery, you can refer to a hosted jQuery library at Google (3)N/A (4)To use jQuery, you do not have to do anything. Most browsers (Internet Explorer, Chrome, Firefox and Opera) have the jQuery library built in the browser
( )23. Which jQuery method should be used to deal with name conflicts?(1)nameConflict() (2)noNameConflict() (3)noConflict() (4)conflict()
( )24. What scripting language is jQuery written in?(1)C# (2)VBScript (3)C++ (4)JavaScript
( )25.  Is jQuery a W3C standard?(1)Yes (2)N/A (3)N/A (4)No

解答:
001.【2】002.【1】003.【3】004.【3】005.【3】006.【1】007.【2】008.【2】009.【3】010.【2】
011.【4】012.【1】013.【2】014.【1】015.【2】016.【4】017.【3】018.【2】019.【1】020.【3】
021.【1】022.【2】023.【3】024.【4】025.【4】

詳解: