javascript not null
if (variable !== null) {
console.log("Var is NOT null");
}javascript not null
if (variable !== null) {
console.log("Var is NOT null");
}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.javascript is not null
if(data !== null && data !== '') {
// do something
}javascript check if null
if (variable === null) { //Executes only if variable is null but not undefined
//Code here
}
if (variable == null) { //Executes if variable is null OR undefined
//Code here
}javascript check if undefined or null or empty string
// simple check do the job
if (myString) {
// comes here either myString is not null,
// or myString is not undefined,
// or myString is not '' (empty).
}Copyright © 2021 Codeinu
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