Check if user input text less than 50 characters

Asked Aug 24 '17 at 07:45

Active Aug 27 '17 at 17:07

Viewed 995 times

I want to check the input length in JavaScript. I have the function to check whether the user input is empty or space only:

if(!this.content || this.content.trim() === ''){
    return
}

Now I want to check the user input length. If less than 50 characters system will showing an alert.

edited Aug 27 '17 at 17:07

Lazar Ljubenović

asked Aug 24 '17 at 07:45

masterhunter

3

`if(this.content.length < 50) { alert }` – Roman Aug 24 '17 at 07:48
Just check this [tutorial](http://codepen.io/anon/pen/XKRyxQ?editors=1011) may this will help you. – AddWeb Solution Pvt Ltd Aug 24 '17 at 07:48
Ya `if(this.content.length < 50) { alert }` is working, thanks for reply. – masterhunter Aug 24 '17 at 07:51
6

Possible duplicate of [How do you get the length of a string?](https://stackoverflow.com/questions/1044105/how-do-you-get-the-length-of-a-string) – Roman Aug 24 '17 at 07:52
Should that be `if(this.content.trim().length < 50)`? – David Knipe Aug 27 '17 at 17:29

0 Answers0