check if a list is empty js code example
Example 1: javascript check if array is not empty
if (array === undefined || array.length == 0) {
// array empty or does not exist
}
Example 2: javascript check if array is empty
if (array && !array.length) {
// array is defined but has no element
}
Example 3: js how to check is array empty es6
var colors=[];
if(!colors.length){
// I am empty
}else{
// I am not empty
}
Example 4: check if array is empty javascript
array.length = []