A Javascript Variable Has Which of the Following

A - A callback is a plain JavaScript function passed to some method as an argument or option. JavaScript variables are broadly typed which means that you are not required to define the variable data types as either numeric or character in advance.

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We can use variables to store goodies visitors and other data.

. HR fued me with this question. Covering popular subjects like HTML CSS JavaScript Python. A variable is a named storage for data.

It can later hold primitive types. The variables in answer C are created by the definition of the array DIFF_SALES. It can later hold other objects but it cannot hold primitive types.

B - JavaScript has object-oriented capabilities that allows you to build interactivity into otherwise static HTML pages. Variable names are not case sensitive. Identifiers can be short names like x and y or more descriptive names age sum totalVolume.

Salary hours 8. In javascript the escape symbol is the. A - JavaScript is a lightweight interpreted programming language.

When we say that JavaScript variables are a dynamically typed we mean that. C - The general-purpose core of the language has been embedded in Netscape Internet Explorer and other web browsers. Which of the following is not a valid variable name.

A - global variable B - local variable C - Both of the above. Which of the following is true about the alert function. Function cle return f s.

A variable type cannot be changed after the variable has been initialized. W3Schools offers free online tutorials references and exercises in all the major languages of the web. - _java_and_ java _names.

We know they are new since they could not have come from workstuffThey are not included in the explicit list of variables in the KEEP. This Question is unanswered help us to find answer for this one. Var pattern dg.

3 var a coming. In Javascript Which of the following method is used to evaluate the regular expression. Which of the following JavaScript code segments results with the phrase.

That variable names should help describe the value being stored. - None of the above. Setup is called once in the program when a sketch starts after power-up.

JavaScript was first introduced by __________. Canvas renders graphics pixel by pixel B. _____ keyword is used to declare variables in javascript.

Q 11 - Which of the following type of variable takes precedence over other if names are same. The statement below creates in other words. Each shape in Canvas is looked at as an object C.

Loop is used after setup been called function loop is executed repeatedly in the main program. A eval235 b evaluate235 c evalu235 d None of the above. These unique names are called identifiers.

In JavaScript if a variable is created and assigned an object in the same line of code which of the following are true. A 0123 B37AB CBR549 D tax rate. - Variable names are not case sensitive.

Is This Question Helpful. Canvas draws graphics on the fly using JavaScript. The general rules for constructing names for variables unique identifiers are.

D - None of the above. That variable names should start with lowercase letters and use uppercase letters if the variable has multiple parts eg. 3names _first_name FirstName None of the above Answer.

Names can contain letters digits underscores and dollar signs. - Var is used to declare a variable. A - JavaScript is a lightweight interpreted programming language.

Given a car object and the turn method a statement could be written as carturn left where the function left. Which of the following is a valid javascript variable name. A Var b Dim c String.

Documentwrite c b a. Declares a variable with the name message. B - JavaScript has object-oriented capabilities that allows you to build interactivity into otherwise static HTML pages.

If the variable hours 10 what is the value of the variable salary after the following instruction has been executed. Now we can put some data into it by using the assignment operator. Which of the following statements are false for Javascript.

It controls the board until the board is powered. Q 1 - Which of the following is correct about JavaScript. Function b c return Monsters of.

Function f d return Halloween a. Which of the following describes a JavaScript object. Q21 The following are true about Canvas except _____.

Setting it equal to a new object will always replace the old object in memory. A wageshoursrate Blengthwidtharea CClasscollege algeraba Dscore928. Canvas is well suited for intense graphics D.

Which of the following is not a suitable assignemnt statement. The variables value will increase until it gets equal to 10 then the control will exit the loops definition. C - The general-purpose core of the language has been embedded in Netscape Internet.

All JavaScript variables must be identified with unique names. The alert function makes the browser show a pop-up. - Both b and c above.

Each shape in Canvas is looked at as an object. Function xvar s quality 100. Any time you enter a tag.

Which of the following is not a valid JavaScript variable name. Which of the following will prompt the user to enter his or her name. - Variable names must begin with a letter or the underscore character.

Mark all that apply Group of answer choices. Function f d return. Question 13 What does mnemonic mean.

Monsters of Halloween coming being displayed. A ny primitive type will evaluate to true in JavaScript with the exception of the following 7 values which are called falsy values. Q 12 - Which of the following is correct about callbacks.

It is used to initialixe variables input and output pin modes and other libraries needed in the sketch. There are no other statements to be executed in the definition of the looponly the value of the variable x will be incremented and the output will be 10. Computer Science questions and answers.

Which of the following is not a valid JavaScript variable name. To create a variable in JavaScript use the let keyword. The variables in answer A represent the variables read from the existing dataset workstuffAs such you would probably not consider them new.

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