javascript how to know type of variable
var foo = "Hello";
console.log(typeof foo); // stringjavascript how to know type of variable
var foo = "Hello";
console.log(typeof foo); // stringjavascript 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 type checking
var trueTypeOf = function (obj) {
return Object.prototype.toString.call(obj).slice(8, -1).toLowerCase();
};
// Returns "array"
trueTypeOf([]);
// Returns "date"
trueTypeOf(new Date());Copyright © 2021 Codeinu
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