Breaking News: Grepper is joining You.com. Read the official announcement!

javascript check if string is empty

Add Answer

Programming Is Fun answered on May 2, 2020 Popularity 10/10 Helpfulness 2/10

answer javascript check if string is empty

related How to Check for a Null or Empty String in JavaScript

related javascript regex check if string is empty

related javascript if string empty

related javascript string null or empty

related js if string not empty

related Check for a Null or Empty String in JavaScript

related javascript check string empty

related typescript check if string is empty

related javascript check if undefined or null or empty string

javascript check if string is empty

Comment

var string = "not empty";
if(string == ""){
  console.log("Please Add");
}
else{
  console.log("You can pass"); // console will log this msg because our string is not empty
}

Popularity 10/10 Helpfulness 2/10 Language javascript

Source: Grepper

Tags: is-empty javascript

Link to this answer
Share Copy Link

Contributed on Jun 19 2021

Programming Is Fun

0 Answers Avg Quality 2/10

Closely Related Answers

How to Check for a Null or Empty String in JavaScript

Comments(1)

let myStr = null;

if (myStr === null || myStr.trim() === "") {
  console.log("This is an empty string!");
} else {
  console.log("This is not an empty string!");
}

/*
This will return:

"This is an empty string!"
*/

Popularity 10/10 Helpfulness 8/10 Language javascript

Source: www.freecodecamp.org

Tags: javascript j

Link to this answer
Share Copy Link

Contributed on Jul 07 2022

OHIOLee

0 Answers Avg Quality 2/10

javascript regex check if string is empty

Comment

function IsEmptyOrWhiteSpace(str) {
    return (str.match(/^\s*$/) || []).length > 0;
}

Popularity 10/10 Helpfulness 8/10 Language javascript

Source: stackoverflow.com

Tags: is-empty is-empt

Link to this answer
Share Copy Link

Contributed on Apr 23 2021

Zwazel

0 Answers Avg Quality 2/10

javascript if string empty

Comment

// Test whether strValue is empty or is None
if (strValue) {
    //do something
}
// Test wheter strValue is empty, but not None 
if (strValue === "") {
    //do something
}

Popularity 10/10 Helpfulness 4/10 Language javascript

Source: stackoverflow.com

Tags: javascript j

Link to this answer
Share Copy Link

Contributed on May 25 2020

Arno Deceuninck

0 Answers Avg Quality 2/10

javascript string null or empty

Comment

function isNullOrEmpty(str) {
  return str === null || str.trim() === '';
}

// Usage example
const myString = null;
const result = isNullOrEmpty(myString);
console.log(result); // Output: true

Popularity 9/10 Helpfulness 4/10 Language javascript

Source: Grepper

Link to this answer
Share Copy Link

Contributed on Sep 12 2023

YOU.com

0 Answers Avg Quality 2/10

js if string not empty

Comment

if (!str.length) { ...

Popularity 10/10 Helpfulness 4/10 Language javascript

Source: stackoverflow.com

Tags: javascript j

Link to this answer
Share Copy Link

Contributed on Feb 26 2021

Borma

0 Answers Avg Quality 2/10

Check for a Null or Empty String in JavaScript

Comment

let myStr = null;

if (myStr === null || myStr.trim() === "") {
  console.log("This is an empty string!");
} else {
  console.log("This is not an empty string!");
}

Popularity 10/10 Helpfulness 4/10 Language javascript

Source: www.freecodecamp.org

Tags: javascript j

Link to this answer
Share Copy Link

Contributed on Jul 07 2022

Adventurous Ant

0 Answers Avg Quality 2/10

javascript check string empty

Comment

let str = "";
if (Boolean(str))
  console.log("This is not an empty string!");
else
  console.log("This is an empty string!");

Popularity 10/10 Helpfulness 3/10 Language javascript

Source: Grepper

Tags: javascript j

Link to this answer
Share Copy Link

Contributed on Aug 13 2022

Emad Sala

0 Answers Avg Quality 2/10

typescript check if string is empty

Comment

const str: string = ""; // the string to check

if (str.length === 0) {
  console.log("String is empty");
} else {
  console.log("String is not empty");
}

Popularity 9/10 Helpfulness 3/10 Language typescript

Source: Grepper

Link to this answer
Share Copy Link

Contributed on Sep 12 2023

YOU.com

0 Answers Avg Quality 2/10

javascript check if undefined or null or empty string

Comment

// simple check do the job
if (myString) {
 // comes here either myString is not null,
 // or myString is not undefined,
 // or myString is not '' (empty).
}

Popularity 10/10 Helpfulness 3/10 Language javascript

Source: Grepper

Tags: javascript j

Link to this answer
Share Copy Link

Contributed on May 02 2020

Scriper

0 Answers Avg Quality 2/10

javascript check if string is empty

Contents

More Related Answers

javascript check if string is empty

Closely Related Answers

How to Check for a Null or Empty String in JavaScript

javascript regex check if string is empty

javascript if string empty

javascript string null or empty

js if string not empty

Check for a Null or Empty String in JavaScript

javascript check string empty

typescript check if string is empty

javascript check if undefined or null or empty string

Grepper

Documentation

Social

Legal

Contact

Oops, You will need to install Grepper and log-in to perform this action.