Q. What is the parameter of the method getElementsbyTagName() if we need to get an image?

View solution

Q. What does the rel attribute of a variable have when the type of file is CSS?

View solution

Q. What is the purpose of holding whatever tag you create in the attribute type?

View solution

Q. What is the inital step to set up a CSS Lazy Loading?

View solution

Q. How is the render time calculated?

View solution

Q. What is the purpose of the domLoading attribute?

View solution

Q. Which is the method used to add an event listener?

View solution

Q. Which of the following is an attribute to the script object?

View solution

Q. What is the result when the showPerformanceMetrics() is called before loading the remote script?

View solution

Q. What are the parameters of the attachEvent function?

View solution

Q. Where is the external JavaScript placed in the case of lazy loading?

View solution

Q. What is the purpose of lazy loading?

View solution

Q. When the 'end' event fires on EOF when no more data will arrive, which function is called?

View solution

Q. What is the purpose of the method localeCompare()?

View solution

Q. Which of the following are client-side JavaScript object?

View solution

Q. Which best explains getSelection()?

View solution

Q. Which of the following navigator object properties is the same in both Netscape and IE?

View solution

Q. What is the purpose of creating a data frame?

View solution

Q. What is the method to create a data frame ?

View solution

Q. What is the default value of the asyc attribute?

View solution