<   W3Schools jQuery Quiz   >

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

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

詳解: