JSFiddle - React, Tailwind, and code Playground

by tankchintan

JavaScript

var strings = ["Some content", null, 0, ""];

if (typeof notExist === undefined) {
  alert("YES - " + notExist);
        
} else {
  alert("NO - VAIRABLE NOT EXIST");    
}

$.each(strings, function(index, item) {
    
    if (item) {
        alert("YES - " + item);
        
    } else {
        alert("NO - " + item);    
    }
    
});