What are Screen objects?
Screen objects are used to read the information from the client’s screen. The properties of screen objects are – AvailHeight: Gives the height of the client’s screen AvailWidth: Gives the…
Write about the errors shown in JavaScript?
JavaScript gives a message as if it encounters an error. The recognized errors are – Load-time errors: The errors shown at the time of the page loading are counted under Load-time…
What are the various functional components in JavaScript?
The different functional components in JavaScript are- First-class functions: Functions in JavaScript are utilized as first-class objects. This usually means that these functions can be passed as arguments to other functions,…
What is the role of deferred scripts in JavaScript?
The HTML code’s parsing during page loading is paused by default until the script has not stopped executing. If the server is slow or the script is particularly heavy, then…
How are event handlers utilized in JavaScript?
Events are the actions that result from activities, such as clicking a link or filling a form by the user. An event handler is required to manage the proper execution…
How are DOM utilized in JavaScript?
DOM stands for Document Object Model and is responsible for how various objects in a document interact with each other. DOM is required for developing web pages, which includes objects…
What is the method for reading and writing a file in JavaScript?
This can be done by Using JavaScript extensions (runs from JavaScript Editor), for example, for the opening of a file – fh = fopen(getScriptPath(), 0);
How are object properties assigned?
Assigning properties to objects is done in the same way as a value is assigned to a variable. For example, a form object’s action value is assigned as ‘submit’ in…
Write the point of difference between a web garden and a web farm?
Both web-garden and web-farm are web hosting systems. The only difference is that web-garden is a setup that includes many processors in a single server. At the same time,web-farm is…
What is the role of break and continue statements?
The break statement is used to come out of the current loop. In contrast, the continue statement continues the current loop with a new recurrence.