Search
showing results for - "js not equal to null"
Fátima
21 Oct 2018
1if (variable !== null) {
2	//code
3}
4
5//Or, if you're expecting null as a string ('null'):
6
7if (variable != null) {
8	//code
9}
10
11//!== means not equal to, just like !=, but !== checks that the datatype is the same, whereas != doesn't.
12//Example: (null !== "null") = true		(null != "null") = false
Javier
11 May 2017
1//Even if the value is 0, this will execute. 
2
3if (myVar !== null) {...}
4
5//If you don't want it to execute when it's 0, then set it as
6
7if (myVar) {...}
8
9//This will return false if var value is 0.
similar questions
javascript if null use other valuejavascript null vs undefinedjs is undefined or nulljs null vs undefinejavascript not equalnot equal to in jsjavascript null true or falsejavascript not nulljavascript error nulljavascript check for null variablesjavascript check undefined or nulljavascript null or emptynull check in javascriptjavascript if notjavascript check if undefined or nulljavascript is not nulljavascript syntax for check null or undefined or emptyjavascript is nulljavascript check if null
queries leading to this page
how to check if an varaible is empty in htmlis false null in node jshow to check if variable type number it is not nullobject isnotnull javascriptif not null javascriptcheck if something is not equal to null javascripthow to check if something is null or notto check if something is not nulljs check if not nullif not equal to null javascriptjavascript if something is nullwhat does it means if 28value 3d 3d 3d 27 27 7c 7c value 3d 3d 3dnull 29 js 3fjs is not nulljavascript check for null in if statementcheck var is null or empty in javascripthow to check if a value if empty or nul in javascriptjavascript if equal to null 26 26javascript not is nulljavascript if field is not nullcheck variable null or empty jsis not equal to null in javascriptjavascript empty and undefined checkjavascript use null in if statementjavascript if 3d or not nulljavascript if not nulljquery check if undefined or null or emptycheck is value exists but not null jscheck if not null javascriptnot equal null javascript not workingjs check if value is null or emptyjs what values equal nulljavascript check var is emptyjs isnull or emptyif not null in jsjs check value is not nullif an element is not null javascriptjs check if nonejavascript data not nullcheck if number is empty jsnot null conditio on a variablecheck if something is equal to null jswhile not zero javascriptvariable equal null in jscheck null object in javascriptjs equal nullhow to check if a value is null javascriptjs if not equal to nullwhat is null equal to in jsjavascript variable set tru if ins not nullcheck if someting is not null jsnull check javascriptcheck if a variable has value in javascriptnode check iif onulljs not null or undefinedjavascript check null or empty or undefineddoes not equal null javascriptjavascript true if not nulljavascript string not empty or undefinedjavascript check if string is empty or null or undefinedhow to check not null in htmlif is not nulljs if not equal nulljs check for not null and numberjavascript check variable not emptyjs chack if not nulljs if is not nullcheck if something is not nullask number it is not nulljs check for not nullnot equal to null clause jsjs if value is not nullcheck if a value is not null javascriptnot null is same as exist jsjavascript check variable empty or undefinedif both variable aint not null jsnot equall null in javascriptjavascript variable value emptyvalidate notnull jsjs is null equal 22 22equal javascript nulljs if var is emptyis not equal to null jsjavascript equal to nulljavascript variable not equal to nullvariable null in if statement jshow to if variable does not equal to empty in javascriptjs check if var is emptyjavascript variable not null or undefinedif many values are not null in jsjavascript if not equal to nullcheck if a variable is empty jsif require null nodejsjavascript variable is emptyjavascript check undefined or null or emptyif null javascripthow to check not in jsisnull in node jscheck if equal zero or null javascriptjavascript check if var is emptyjavascript variable blanknull check javascript es6check if variable has value javascriptcheck if var not null javascriptcheck if variable isnt nulljavascript not null or undefinedcheck if variable is empty jsjs not equal nullif condition null javascriptnot equal null condition in node jsjavascript if null es6how to check if a variable is empty in javascriptjavascript differnt as nulljavascript if not equals nulljs if equal to nullvariable empty check typescriptjavascript not equal nulljavascript check value not null or undefinednodejs check if var is nullhow to make it if statement equal to null in javascriptvariable has value javascriptnot equal to null in javascriptchecking if a variable is empty javascriptif find is not null javascriptvariable is empty or not node jsjavascript check variable has no valueif 28value 21 3d null 29 7bjavascript equal nullchecki f value is not null javascriptcheck for null undefined empty javascriptjs if diferente de nullnot null in javascript is truejavascript check not null or undefinedif 28null 29 in jscheck if a variable is empty nodeif not is null jscheck if a variable has a value javascriptnot null condition in javascripthow to check if a value is not null htmljavascript in not nulljavascript if null statementcheck if name is not null node jscheck var is empty or null in javascrptcheck if variable not null in jsif variable is empty in javascriptnot null condition javascriptjavascript chek if nulljavascript check if undefined or null or emptyjavascript check value is not null or undefinedjavascript how to check if nulljavascript check if variable is not null or undefined or emptyif a variable is not equal to null javascriptcheck a variable has value or empty javascriptjs check object is not nulljavascript if check null undefined emptyhow do you see if a variable is not equal to nonedoes not equal null or 0 javascriptnot null in jscheck if object is not null jsequal to null jsdisplay data in html only if different from nullnull check in javascriptjavascript check if is not nulljavascript check for undefined or null or emptyjavascript is not nullstring is null jscheck empty and undefined in javascriptwhy is not null always true 3fjavascript check if not nullcheck if variable is empty javacriptjavascript check for empty and undefinedvariable not empty in javascripthow to check if var is none or not in javascriptif not null jsjavscript is not equal to nulljavascript check for not nullhtml if statement not nullif statement js nullnodejs if 28null 29js does null equal nullhow to check if variable is empty javascriptcheck if var is empty javascriptnot null in javascriptif empty javascript varjavascript verify if var is emptyjavascript if is null or emptyif value is not null javascriptjavascript check if variable is defined and not nullif variable is empty javascriptjs equals nulljavascript check null or undefined or empty if null in javascriptif variable is not empty javascriptcheck variable is not null in javascriptjavascript check if is null or emptya is equal to null condition check in javascriptjavascript not equals nullcheck if value is not null javascriptnull jsjavascritpt is not nonejs check not null or undefinedcheck for empty or null string javascriptjavascript if value is not nulljavascript value not null or undefinedjavascript if condition equal to nulljs not nulljavascript not equal to nulljavascript variable value empty checkcheck is not null javascriptvalue equal null in jstest if variable value is nulljs condition not nulljavascript check if undefined or emptyif is not null javascriptjavascript if variable is not nulljs not equal to nullcheck if a variable is not null javascriptjavascript undefined or empty stringjavascript if has valuejavascript empty variable checkjavascript variable not nullif null or empty javascriptjavascript 3f 3f not nulljavascript how to check for null or undefinedjavascript how to indicate equal to nullhow to check if number it is not nullcheck if string is undefined or empty javascriptreplace if not null javascriptif not none javascripthow to check if a function is not null in javascripthow to check if the value is empty for a variable in javascritpcheck javascript variable is empty or notjavascript check nonejavascript 3a check if value is null 2c empty or undefinedisnotnull javascriptcheck if not null jscheck if number is empty javascriptcheck if object is not null jvascriptjavascript check if null or emptynot n ull javascriptjavascript check variable is not nulljavascript vail not noll or undefinednot null jsnull condition in if statement in javascriptjavascript check if variable has valueif condition not equal to null in javascriptjavascript ifnot nulljavascipt check variable is emptyhow to check if value is not null in javascriptjavascript if a variable is not nulljs 0 not equal to nulljavascript check if property is not null or emptyif variable empty do java scriptnull in if condition javascriptnot equal to empty in javascripthow to check in js variable is not emptyjs if null statementcheck if object is not null javascriptif variable is not null javascriptjavascript if value is nulljs equal to nullvar not null javascriptjavascript nulljs if not nullif not nullcheck var is not null javascripthow to check a variable is empty in javascriptnodejs how to check if something exists and its not nullequal to null in jsnot null check jscheck if variable is empty or undefined javascriptjavascript check if value is null or emptycheck if value is not nulljs null equals not workingjavascript not equal to emptyjavascript if is not nulljavascript nulllhow to check if a variable has value in javascriptnot null and regex true javascriptjavascript check if value empty or nullhow to do null check in javascriptjs check if equal to nulljavascript check if element is nullhow to check if an element is not null in javascriptcheck if a variable is empty in jsjs check if variable is not nullcheck if value is empty or null javascriptjavascript if equal to nullusing js check some value emty or nullif value is not null in javascriptcheck if javascript variable is emptyhow to check if variable is empty in javascriptjavascript if statement not equal nullnode js check if variable is emptyif data does not equal null javascriptjavascript var not nullif find is not null javascriptjavascript not nullcheck if it 3b 27s not nulljs check if nullif empty variable javascriptjavascript chcek if varibale is emptyjs null checkcheck if element is null javascripthow to check if not null in javascripthow to check if none in javascriptc 23 if isn 27t nullif var is not null jscheck if something is not null jsnot equal to null javascriptnode js not equal to nulljs not equal to null