js check null

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showing results for - "js check null"
Joshua
05 Aug 2017
1if (variable === null) { //Executes only if variable is null but not undefined
2  //Code here
3}
4
5if (variable == null) { //Executes if variable is null OR undefined
6  //Code here
7}
Lou
08 Jan 2021
1var myVar=null;
2
3if(myVar === null){
4    //I am null;
5}
6
7if (typeof myVar === 'undefined'){
8    //myVar is undefined
9}
10
Alessandro
21 Oct 2016
1if (Var === null) { 
2//code goes here
3}
4
Giacomo
08 Aug 2017
1if (Var === null) { 
2//code goes here
3}
Faustine
14 Feb 2020
1if(!pass || !cpass || !email || !cemail || !user) {
2   // Code here
3}
4// Which will check for empty strings (""), null, undefined, false and the numbers 0 and NaN
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