How to return a string in JavaScript?

How do you return a string from a function?

If you are looking to return a string from a function(other than main), you should do something like this.

  1. #include <stdio.h>
  2. const char * getString();
  3. int main()
  4. {
  5. printf(“hello worldn”);
  6. printf(“%sn”, getString());
  7. return 0;
  8. }

How do you return in JavaScript?

The return operator, well, returns stuff #

You can pass their name into a function, and use return to return a string with their name in it. var hiThere = function (name) { return ‘Hello ‘ + name; }; You can return any valid JavaScript object: strings, booleans, objects, arrays, and even other functions.

How do you return a value from a function?

That’s how it works: to return a value from a function, you place the value you want to return right after the keyword return. Now when you call the adder() function and pass data to that function, the call itself will be replaced by the function’s return value.

How do you return a value from a loop in JavaScript?

  1. The return statement breaks the loop once it is executed. Therefore consider putting the return statement outside the loop.
  2. Since you want to return a string, you will create a variable and assign it to an empty string. (This is where will append/add results from the loop.)
  3. return the string variable.

Can we return a string?

Strings in C are arrays of char elements, so we can’t really return a string – we must return a pointer to the first element of the string. … So we don’t get the original string back.

How do you declare a string?

The classic string declaration can be done as follow: char string_name[string_length] = “string”; The size of an array must be defined while declaring a string variable because it used to calculate how many characters are going to be stored inside the string variable.

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What is the difference between return and console log?

log and return in JavaScript? Return is the result a subroutine, or function, will return, and console. log is a way to log to the “console” where available. The console is a destination made available by certain browsers that enables Javascript programmers to stream text to an output e.g logging.

What is return true in JavaScript?

returning true or false indicates that whether execution should continue or stop right there. So just an example <input type=”button” onclick=”return func();” /> Now if func() is defined like this function func() { // do something return false; }

Does return end a function C++?

The return statement stops execution and returns to the calling function. When a return statement is executed, the function is terminated immediately at that point, regardless of whether it’s in the middle of a loop, etc.

Does a procedure return a value?

A stored procedure does not have a return value but can optionally take input, output, or input-output parameters. … A stored procedure can return output through any output or input-output parameter.

What does return do in a function?

A return statement ends the execution of a function, and returns control to the calling function. Execution resumes in the calling function at the point immediately following the call. A return statement can return a value to the calling function. For more information, see Return type.

Does main function return any value?

main function returns integer value by default. if zero is returned as exit status to indicate to Operating system that the program worked succesfully without any compile time or run time errors. if a non zero value(1 mostly) is returned to indicate some error happened in program execution.

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How do you return a loop?

For coming out of the loop you should use ‘Break’ statement instead of ‘Return’ statement. The return statement will take the control to the point where the function call has been made. The break statement will take the control to the next line out of the loop.

Can a for loop return a value?

A return statement is NOT for returning a value from a loop. If you want to preserve a value from a loop, that value needs to be stored in a variable that was created before the loop was started. … Just remove the return a; statement and you should be able to do what you are trying to accomplish.

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