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javascript check if string is empty

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

answer javascript check if string is empty

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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

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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

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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

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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

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Contributed on May 25 2020

Arno Deceuninck

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

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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

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Contributed on Jul 07 2022

Adventurous Ant

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

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Contributed on Sep 12 2023

YOU.com

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

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Contributed on Aug 13 2022

Emad Sala

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

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Contributed on May 02 2020

Scriper

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

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Contributed on Sep 12 2023

YOU.com

0 Answers Avg Quality 2/10

javascript check if string is empty

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