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javascript check if array is empty

if (typeof array !== 'undefined' && array.length === 0) {
    // the array is defined and has no elements
}

javascript check if array is not empty

if (array === undefined || array.length == 0) {
    // array empty or does not exist
}

javascript check if array is empty

if (array && !array.length) {
    // array is defined but has no element
}

javascript not empty array not string

if (Array.isArray(array) && array.length) {
    // array exists and is not empty
}

how to check if array is empty or not in javascript

if(typeof array != 'undefined' && array.length > 0){
	// array has elements
}

check row empty array javascript

if(array && array.length){   
   // not empty 
} else {
   // empty
}

check if an array is empty javascript

if (!Array.isArray(array) || !array.length) {
  // array does not exist, is not an array, or is empty
  // ⇒ do not attempt to process array
}

javascript how to check if array is empty

if(array.length > 0)

javascript cehck if array is empty

if (array === undefined || array.length == 0) {
    // array empty or does not exist
}

Check If An Array Is Empty Or Null Or Undefined In JavaScript?

let myArray = [];

if( myArray.length  > 0  ) {
    console.log(myArray);
    console.log("Array has elements");
}
else {
    console.log("Array has no elements");
}

javascript is array empty

var colors=[];
if(!colors.length){
	// I am empty
}else{
	// I am not empty
}

js check if array is empty

if (typeof image_array !== 'undefined' && image_array.length > 0) {
    // the array is defined and has at least one element
}

javascript check if array is empty

const isNotEmpty = arr => Array.isArray(arr) && arr.length > 0;

isNotEmpty([1, 2, 3]);
// Result: true

If Array Is Empty

const isNotEmpty = arr => Array.isArray(arr) && arr.length > 0;

isNotEmpty([1, 2, 3]);
// Result: true

javascript check if array is empty or null or undefined

if (typeof array !== 'undefined' && array.length === 0) {
    // the array is defined and has no elements
}
if (typeof image_array !== 'undefined' && image_array.length > 0) {
    // the array is defined and has at least one element
}
if (array === undefined || array.length == 0) {
    // array empty or does not exist
}
if (array && !array.length) {
    // array is defined but has no element
}
if (Array.isArray(array) && array.length) {
    // array exists and is not empty
}

check if array is empty javascript

array.length = []

array empty

// n is the legth of the array
int[] IntArray = new int[n] // int array
  
String[] StrArray = new String[n] // String array

how to check empty string array in javascript

function checkEmptyString(item){
     if (item.trim().length > 0) return false;
     else return true;
    };
    
function checkIfArrayContainsEmptyString(array) {
  const containsEmptyString = array.some(checkEmptyString);
  return containsEmptyString;
};
    
console.log(checkIfArrayContainsEmptyString(["","hey","","this","is","my","solution"]))
// *returns true*

console.log(checkIfArrayContainsEmptyString(["yay","it","works"]))
// *returns false*
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