You asked: Which is not a reserved word in JavaScript?

Which of the following is not a reserved word in JavaScript?

Which of the following is not a reserved word in JavaScript? Explanation: In JavaScript, interface, throws and short are reserved keywords. 9.

What is reserved word in JavaScript?

Reserved words are words that you cannot use as identifiers in JavaScript.

Which of the following are reserve words in JavaScript?

Here is a list of reserved words (and words to avoid) in JavaScript:

  • abstract. boolean. break. byte. case. catch. char. class. continue. const. debugger. default. delete. …
  • final. finally. for. goto. if. implements. import. in. instanceof. int. interface. long. …
  • public. return. short. static. super. switch. synchronized. this. throw. throws. transient. true.

Is location a reserved word in JavaScript?

Answer: Reserved words of the JavaScript langauge are listed below.

When choosing names for your JavaScript variables, avoid these reseved words!

alert frames outerHeight
document length setInterval
element link setTimeout
elements location status
embed Math String

Is try a keyword in JavaScript?

JavaScript try and catch

The try statement allows you to define a block of code to be tested for errors while it is being executed. The catch statement allows you to define a block of code to be executed, if an error occurs in the try block.

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Which HTML element do we put the JavaScript?

Explanation: The <script> tag is used to contain javascript code.

What are keywords in JS?

Keywords are tokens that have special meaning in JavaScript: break , case , catch , continue , debugger , default , delete , do , else , finally , for , function , if , in , instanceof , new , return , switch , this , throw , try , typeof , var , void , while , and with .

Why ![] Is false?

![] evaluates to false because the reference is truthy. [] can be converted to an number (0 in this case) which is falsey. Therefore: the condition passes as equal.

How do substring () and substr () differ?

The difference between substring() and substr()

The arguments of substring() represent the starting and ending indexes, while the arguments of substr() represent the starting index and the number of characters to include in the returned string.

What is difference between VAR and let in JavaScript?

var and let are both used for variable declaration in javascript but the difference between them is that var is function scoped and let is block scoped. It can be said that a variable declared with var is defined throughout the program as compared to let.

What is a const in JavaScript?

In JavaScript, `const` means that the identifier can’t be reassigned. (Not to be confused with immutable values. Unlike true immutable datatypes such as those produced by Immutable. js and Mori, a `const` object can have properties mutated.)