typeof javascript object code example
Example 1: javascript typeof shows object
What value it has What the output shows you
when you write |console.log(typeof(variable);
Undefined: "undefined"
Null: "object"
Boolean: "boolean"
Number: "number"
String: "string"
Function object: "function"
E4X XML object: "xml"
E4X XMLList object: "xml"
NodeList "Nodelist [more data]"
HTMLCollection "HTMLCollection(1) [more data]"
Example 2: javascript typeof
exports.is = (data) => {
const isArray = Array.isArray(data) && 'array'
const isObject = data == {} && 'object'
const isNull = data == null && 'null'
const isGrouping = isArray || isObject || isNull
const isCheck = !isGrouping ? typeof data : isGrouping
const isTypeData = ['number','string','array','symbol','object','undefined','null','function', 'boolean']
const isMatch = isTypeData.indexOf(isCheck)
const isResult = isTypeData[isMatch]
return isResult
}
Example 3: typeof in js
typeof("iAmAString");
Example 4: typeof javascript
console.log(typeof 'blubber');