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Apoorv Gusain
1,270 PointsWhich of the following shows an example of passing an argument to a function?
A alert("Hello world!") B document.write("<h1>Welcome</h1>") C Math.floor(2.2) D getArea(10, 20, 'sq ft') E All of the above. i think answer should be (D) but the correct answer is all the above how is it correct?? because u can pass arguments only inside function call .
2 Answers
martinjones1
Front End Web Development Techdegree Graduate 44,819 PointsI guess one way to look at it is:
document.write("<h1>Welcome</h1>")
is essentially:
myFunctions("Arguments this functions accepts");
So once the function is created, you can then call the function and pass in the arguments.
The answer D is the same as all of the other functions in the list, but in this case it accepts 2 values instead of 1.
Otec Perez Glass
7,678 PointsHello even though document.write , alert, console.log and other are functions that we can pass information to it if i or some else have selected the option d (getArea (info)) should not be wrong in your system so try use like a check box that we can select different answers .
Apoorv Gusain
1,270 PointsApoorv Gusain
1,270 Pointshow The answer D is the same as all of the other functions in the list, here in this line : document.write("<h1>Welcome</h1>") we are not passing any arguments to a function here we are simply printing "welcome". similarly all other options are simply displaying .they are not giving any kind of values to the functions for eg : function sentence(str) { return alphabets; } alert("Hello") ;
/*option (a) here alert,document.write ,document.write
nothing have to do with function sentence */
sentence('welcome') ; // option (d ) is passing argument to function
andren
28,558 Pointsandren
28,558 Pointsdocument.writeis a function, and the string that is passed in"<h1>Welcome</h1>"is an argument. You seem to be confused about what constitutes a function.Any collection of code that can be called by typing a name and adding parenthesis, like
alert,document.write,console.log,Math.roundand the like are examples of functions. And any value you pass to them within those parenthesis like"<h1>Welcome</h1>","Hello World",2.2, etc are example of arguments.As Martin Jones said the only difference between the different answers is that answer D accepts more than one argument.
Apoorv Gusain
1,270 PointsApoorv Gusain
1,270 Pointsoh yes i just totally forgot that alert ,console documents they all are in built function thank you very much Martin Jones and andren for you time thank you adren for your help . my doubt is clear now.