Which of the following options is the correct syntax of command that is used for installing the Grunt command-line interface globally?

In relation to Backbone.ModeI, which of the following options is NOT a valid callback parameter of the request event?

While using JavaScript, which of the following string functions is used for extracting a subString from the string that begins at the start position through the specif‌ied number of characters?

In relation to running QUnit without a browser. which of the following options is the correct command that is entered to the command line for obtaining the PhantomJS Runner plug-in for QUnit?

Which options is the correct OUnit callback that runs after each assertion and provides the result of the test case (either error or log) along with the message?

In relation to Jasmine-jOuery matchers. which of the following options is the correct syntax of the matcher that is used for checking if an event was triggered on the element?

Which of the following are built-in events in Backbone?

Using the following code example how can you use fetch with sending id?

Which of the following are Backbone Building Blocks?

Which code is used when model or collection is synced successfully with server?

How do you we get only the first 20 items in a backbone collection?