if check for undefined in js code example
Example 1: js if not undefined
if (typeof myVar !== "undefined") {
console.log("myVar is DEFINED");
}Example 2: javascript check undefined
if(myVar === null) {
console.log("Element is undefined");
}if (typeof myVar !== "undefined") {
console.log("myVar is DEFINED");
}if(myVar === null) {
console.log("Element is undefined");
}