FreeCodeCamp.com - Basic JavaSript - Decrement a Number with JavaScript
Link:
https://www.freecodecamp.com/challenges/decrement-a-number-with-javascript#?solution=%0Avar%20myVar%20%3D%2011%3B%0A%0A%2F%2F%20Only%20change%20code%20below%20this%20line%0AmyVar--%3B%0AmyVar%20%3D%20myVar%3B%0A%0A
https://www.freecodecamp.com/challenges/decrement-a-number-with-javascript#?solution=%0Avar%20myVar%20%3D%2011%3B%0A%0A%2F%2F%20Only%20change%20code%20below%20this%20line%0AmyVar--%3B%0AmyVar%20%3D%20myVar%3B%0A%0A
You can easily decrement or decrease a variable by one with the
--
operator.i--;
is the equivalent of
i = i - 1;
Note
The entire line becomes
The entire line becomes
i--;
, eliminating the need for the equal sign.Instructions
Change the code to use the
--
operator on myVar
.
Sollution:
var myVar = 11;
// Only change code below this line
myVar--;
myVar = myVar;
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