This question already has answers here:
Why can't I access a property of an integer with a single dot?
(5 answers)
Why does 10..toString() work, but 10.toString() does not? [duplicate]
(3 answers)
Why don't number literals have access to Number methods? [duplicate]
(3 answers)
Closed 3 years ago.
The following syntax generates an error:
5.toString();
But the following doesn't:
(5).toString();
What does the parentheses exactly do here?
Related
This question already has answers here:
Optional Chaining in JavaScript [duplicate]
(8 answers)
How does the JavaScript optional chaining(?.) operator works?
(2 answers)
Closed 10 months ago.
What does this mean
doc.data()?.email === auth.currentUser.email
?. <- what does this imply I saw it in a firebase project
This question already has answers here:
Pad a number with leading zeros in JavaScript [duplicate]
(9 answers)
How can I pad a value with leading zeros?
(76 answers)
Closed 3 years ago.
I'm not looking for simple template literals, more so the functionalities of String.format from java.
For example,
String.format("%05d",num);
if inputted 14, would output 00014. How could I do this in javascript?
This question already has answers here:
Does the comma operator influence the execution context in Javascript?
(2 answers)
What's the reason for using such syntax (0, _.Em)();
(1 answer)
Closed 5 years ago.
I'm working with some javascript generators. It has generated a line like:
(0, _myTest.testfunc)();
What is the meaning of this line?
OK - The testfunc is the a function that should be called and comes from a module loader. But what is the meaning of the first () with the comma between?
This question already has answers here:
How to format numbers? [duplicate]
(17 answers)
Closed 5 years ago.
How to add commas in numbers in JavaScript ?
For example I want to add commas in this number 1445456523.56594
Use toLocaleString
var n=1445456523.56594;
console.log(n.toLocaleString());
This question already has answers here:
How do I chop/slice/trim off last character in string using Javascript?
(25 answers)
Trim string in JavaScript
(20 answers)
Closed 6 years ago.
I have a statement like
bicCode.ToUpper().TrimEnd('X');
I want to rewrite this in javascript
response.data.toUpperCase().??
How to write trimend function in javascript?
This should work:
response.data.toUpperCase().replace(/\s+$/g, '');