Question:
Write a function greet having one parameter and returning 'Hello <parameter>!'.
Example: greet('Ada') should return 'Hello Ada!' and greet('Grace') should return 'Hello Grace!'.
Answer:
function greet (param) {
return 'Hello' + ' ' + param + "!";
};
> This is a function declaration & not a function expression
> name of the function: greet
> parameter: () parameter is param
> statement: return 'Hello' + ' ' + param + "!"; enclosed in curly brackets
> the function must have a return statement that specifies the value to return
> the value type in this case is a string
> strings can be used with single or double quotes
> we can concatenate the string with a '+' sign
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