What does the following code prints____?

<script>

var x="\\";

document.write(x);

</script>

How do you add a particular state to the browser's history?

__________()  method is used to return a string with the number rounded and written in exponential notation.

________ enhance the simplicity of the code and performance of the application.

Which property of an autocomplete widget is used to focus on the 1st item of the list?

Which architectural pattern controls derived data and enables communication between multiple components using a central Store that has authority for all data?

What will be the output of the following JavaScript code?

document.writeln("<br/>navigator.appVersion: "+navigator.appVersion);

Identify the correct syntax for a multiple selector in jQuery.

Which event is used to affect the content of the HTML element when we place or move a mouse over it?

Which of the following statements about Object.assign() is correct?