if string javascript
if (typeof myVar === 'string') { /* code */ };if string javascript
if (typeof myVar === 'string') { /* code */ };javascript check if string is number
// native returns true if the variable does NOT contain a valid number
isNaN(num)
// can be wrapped for making simple and readable
function isNumeric(num){
return !isNaN(num)
}
isNumeric(123) // true
isNumeric('123') // true
isNumeric('1e10000') // true (This translates to Infinity, which is a number)
isNumeric('foo') // false
isNumeric('10px') // falseCopyright © 2021 Codeinu
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