Answers for "javascript check if array has empty string"

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
}

how to check if array is empty or not in javascript

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

javascript is array empty

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