check if string only contains integer digits numbers javascript
let val = '1234567890'
let isnum = /^\d+$/.test(val);
if (isnum) {
// val is a number
}check if string only contains integer digits numbers javascript
let val = '1234567890'
let isnum = /^\d+$/.test(val);
if (isnum) {
// val is a number
}check to see if number is a decimal javascript
The Number. isInteger() method determines whether a
value an integer.
This method returns true if the value is of the type
Number, and an integer (a number without decimals).
Otherwise it returns false.Copyright © 2021 Codeinu
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