check data type in js
typeof("string"); //string
typeof(123); //numbercheck data type in js
typeof("string"); //string
typeof(123); //numberjs node type
//The read-only Node.nodeType property is an integer that identifies what the node is. It distinguishes different kind of nodes from each other, such as elements, text and comments.
var x = document.getElementById("ElementID").nodeType;
//Returns an integer which specifies the type of the node
/*
Example
1. Element
2. Attribute
3. Text
4. CDATASection
5. EntityReference
6. Entity
7. ProcessingInstruction
8. Comment
9. Document
10. DocumentType
11. DocumentFragment
12. Notation
*/javascript check type of variable var
// You can use the built-in method 'typeof' in order to check the variable datatype
//examples:
typeof "hello" // "string"
//or
var a = 1;
typeof(a);
//the output will be > 'number'javascript check type of variable var
> typeof "foo"
"string"
> typeof true
"boolean"
> typeof 42
"number"Copyright © 2021 Codeinu
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