javascript find type of variable
> typeof "foo"
"string"
> typeof true
"boolean"
> typeof 42
"number"
if(typeof bar === 'number') {
//whatever
}javascript find type of variable
> typeof "foo"
"string"
> typeof true
"boolean"
> typeof 42
"number"
if(typeof bar === 'number') {
//whatever
}check data type in js
typeof("string"); //string
typeof(123); //numbertype of javascript
//typeof() will return the type of value in its parameters.
//some examples of types: undefined, NaN, number, string, object, array
//example of a practical usage
if (typeof(value) !== "undefined") {//also, make sure that the type name is a string
//execute code
}get type of object javascript
var obj = new String();
var str = "this is string";
typeof obj; // returns object
typeof str; // returns stringjavascript check type of object
typeof yourVariable === 'object' && yourVariable !== nullCopyright © 2021 Codeinu
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