check is null javascript code example
Example 1: javascript check if null
if (variable === null) {
}
if (variable == null) {
}
Example 2: js check null
if (Var === null) {
}
Example 3: javascript check for null variables
var myVar=null;
if(myVar === null){
}
if (typeof myVar === 'undefined'){
}
Example 4: javascript null check
if (Var === null) {
}
Example 5: javascript check if empty
if (typeof myVar === 'undefined'){
console.log("I am not defined");
}
var emptyString="";
if (emptyString) {
console.log("im not empty");
}