types of object in javascript code example
Example 1: type 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
}
Example 2: js typeof number
console.log(typeof 93);
// Output = "number"
console.log(typeof 'Maximum');
// Output = 'string'
console.log(typeof false);
// Output = "boolean"
console.log(typeof anUndeclaredVariable);
// Output = "undefined"
Example 3: creating an object javascript
let obj = {
// fields
name:"value",
num: 123,
//methods
foo: function(){}
}
Example 4: create object javascript
const object = {
something: "something";
}