javascript check if not null
if (variable !== null) {
console.log("Var is NOT null");
}
Log in, to leave a comment
3
3
// simple check do the job
if (myString) {
// comes here either myString is not null,
// or myString is not undefined,
// or myString is not '' (empty).
}
Thank you!
3
3
(3 Votes)
0
0
0
//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.
Thank you!
0
0
0
4.17
6
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
}
Thank you!
6
4.17
(6 Votes)
0
3.75
8
if(data !== null && data !== '') {
// do something
}
Thank you!
8
3.75
(8 Votes)
0
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