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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 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
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
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
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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