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Usage of toString in JavaScript [duplicate]
(3 answers)
Why does 10..toString() work, but 10.toString() does not? [duplicate]
(3 answers)
Closed 9 years ago.
Why
123.toString()
throws an SyntaxError
while
123..toString()
is not?
The first . you type in a Number literal is the decimal point.
Related
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Null-safe property access (and conditional assignment) in ES6/2015
(11 answers)
What is the obj?.prop syntax in javascript? [duplicate]
(3 answers)
Closed 2 years ago.
I do know the ternary operator
but using '?' without colon that's unusual to me
Here is an example:
path?.forEach(id => checkID(id));
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What is JavaScript's highest integer value that a number can go to without losing precision?
(21 answers)
How does javascript represent integers greater than Number.MAX_SAFE_INTEGER internally? [duplicate]
(1 answer)
Closed 4 years ago.
I was in need to use the number 515236034100068353 but JavaScript transforms it as 515236034100068350
console.log(515236034100068353 === 515236034100068350)
Why does this happens ? How could I fix it ?
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What is the point of wrapping JavaScript statements in parentheses?
(2 answers)
What does the comma operator do in JavaScript?
(5 answers)
Closed 5 years ago.
I came across an interesting thing in javascript. The following code prints 7.
a = (b=3 , c=7);
document.write(a);
I would like to know how/why this happens.
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Why and how does ([![]]+[][[]])[+!+[]+[+[]]] evaluate to the letter "i"? [duplicate]
(2 answers)
What are JavaScript's builtin strings?
(7 answers)
Closed 5 years ago.
I found out that in JavaScript [[[!![]+[]]+[]]+[]][+[]][+[]] evaluate to "t". How is it possible?
I do know that !![] evaluates to true, however how to you obtain "t" from that?
console.log([[[!![]+[]]+[]]+[]][+[]][+[]]);
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How do I convert a float number to a whole number in JavaScript?
(18 answers)
Closed 9 years ago.
I have the value 56.024096385542165 and I want the number before the dot. (In this case, it's 56).
How can I do this using JavaScript?
Just do
parseInt(yournumber, 10)