While looking at the jslint code conventions I saw this line:
total = subtotal + (+myInput.value); What is the purpose of the second ‘+’?
While looking at the jslint code conventions I saw this line: total = subtotal
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While looking at the jslint code conventions I saw this line:
total = subtotal + (+myInput.value); What is the purpose of the second ‘+’?
The unary plus is there for completeness, compared with the familiar unary minus (-x). However it has the side effect, relied upon here, of casting myInput.value into a Number, if it’s something else such as a String: