javascript null code example
Example 1: javascript is not null
if(data !== null && data !== '') {
// do something
}
Example 2: javascript check if not null
//Even if the value is 0, this will execute.
if (myVar !== null) {...}
//If you don't want it to execute when it's 0, then set it as
if (myVar) {...}
//This will return false if var value is 0.
Example 3: js check null
if (Var === null) {
//code goes here
}
Example 4: javascript check for null variables
var myVar=null;
if(myVar === null){
//I am null;
}
if (typeof myVar === 'undefined'){
//myVar is undefined
}
Example 5: javascript null check
if (Var === null) {
//code goes here
}