how to check value is null or empty in javascript code example
Example 1: javascript syntax for check null or undefined or empty
if (typeof value !== 'undefined' && value) {
//deal with value'
};
Example 2: javascript check for null variables
var myVar=null;
if(myVar === null){
//I am null;
}
if (typeof myVar === 'undefined'){
//myVar is undefined
}