Which of the following is correct for the term 'Progressive enhancement'? (choose all that apply)

Which XMLHttpRequest Object method returns all the header information?

Which method can be used to assign multiple event handlers?

For the following code fragment foo(function(r) { // code }); Choose the correct description of the ‘function(r)’

For the following code fragment function Foo() { this.data = 42, document.body.onclick = this.method; } Foo.prototype.method = function() { console.log(this.data); }; choose the option that shows the output to the console log

What does the getAllResponseHeaders() function do ?

When your Ajax request is complete, what attribute of the XML HTTP request object contains the returned data?

How does Google recommend you make an Ajax-dependent page accessible to their web crawler?

What is the syntax for the event listener that monitors whether the XMLHttpRequest object's readyState attribute has changed?

How can you load JavaScript from a different file into your web application?

What is XSS?