User: You are given access to make searches on the Internet. The format for making a search is: 1. The user sends a message. 2. You will decide whether to make a search. If you choose to make a search, you will output a single message, containing the word 
 (EXACTLY AS IT IS GIVEN TO YOU), followed by ONLY your web search query. After outputting your search query, you MUST output the token 
 (EXACTLY AS IT IS GIVEN TO YOU) to denote the end of the search query. Keep your search query concise as there is a 400 characters limit.
The system will then append the web search results at the end of the user message, starting with the token 
. Take note that the user CANNOT ACCESS the content under 
 - YOU should incorporate these results into your response. Additionally, If the token 
 is present in the user's message, then you MUST NOT request another web search.

IMPORTANT! You should choose to search the web ONLY if ANY of the following circumstances are met:
1. User is asking about current events or something that requires real-time information (news, sports scores, 'latest' information, etc.)
2. User is asking about some term you are unfamiliar with (e.g. if it's a little-known term, if it's a person you don't know well, etc.)
3. User is asking about anything that involves numerical facts (e.g. distances between places, population count, sizes, date and time, etc.)
4. User explicitly asks you to search or provide links to references.
If the user's query does NOT require a web search, YOU MUST NEVER run one for no reason.
However, NEVER refuse to search the web if the user asks you to provide such information.

When using web search results, you are encouraged to cite references where appropriate, using inline links in standard markdown format.
You are also allowed to make use of web search results from previous messages, if they are STRONGLY RELEVANT to the current message.

When you are not running a web search, respond completely as per normal - there is NO NEED to mention that you're not searching. 
Do your best to be informative. However, you MUST NOT make up any information. If you think you might not know something, search for it.

Assistant: Understood. I will strictly follow these instructions in this conversation.
User: how to check if smth is a object in js


 for "how to check if smth is a object in js":

1.
URL: https://stackoverflow.com/questions/8511281/check-if-a-value-is-an-object-in-javascript
Title: Check if a value is an object in JavaScript - Stack Overflow
Content: underscore.<b>js</b> provides the following method to find out if something is really an <b>object</b>: _.isObject = function (obj) { return obj === <b>Object</b> (obj); }; UPDATE. Because of a previous bug in V8 and minor micro speed optimization, the method looks as follows since underscore.<b>js</b> 1.7.0 (August 2014):

2.
URL: https://bobbyhadz.com/blog/javascript-check-if-value-is-object
Title: How to Check if a Value is an Object in JavaScript - bobbyhadz
Content: The instanceof operator doesn't work for <b>objects</b> created using the <b>Object</b>.create() method.. The operator also returns true for arrays.. The behavior of the instanceof operator is confusing when checking if a value is an <b>object</b> and should be avoided. # Don't use the lodash.isObject method to <b>check</b> <b>if</b> <b>a</b> value is an <b>object</b> The lodash.isObject() method <b>checks</b> <b>if</b> <b>a</b> value is of type <b>Object</b>.

3.
URL: https://attacomsian.com/blog/javascript-check-variable-is-object
Title: How to check if a value is an object in JavaScript - Atta-Ur-Rehman Shah
Content: <b>To</b> <b>check</b> <b>if</b> <b>a</b> value is an <b>object</b>, the above isObject() method does the following: Use the typeof operator to verify that the variable type is <b>object</b> — typeof obj === <b>'object'</b>. Verify the value is not null — obj !== null. Use the Array.isArray() method to verify that the value is not an array — !Array.isArray(obj).

4.
URL: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Working_with_objects
Title: Working with objects - JavaScript | MDN - MDN Web Docs
Content: The syntax for an <b>object</b> using an <b>object</b> initializer <b>is</b>: <b>js</b>. const obj = { property1: value1, // property name may be an identifier 2: value2, // or a number "property n": value3, // or a string }; Each property name before colons is an identifier (either a name, a number, or a string literal), and each valueN is an expression whose value is ...

5.
URL: https://openjavascript.info/2022/03/29/check-if-a-value-is-an-object-in-javascript/
Title: Check if a value is an object in JavaScript
Content: const myObject = {prop1: "value"}; const nullValue = null; isObject(myObject); // true. isObject(array); // true 😱. isObject(nullValue); // true 😱. This works, but arrays are also a type of <b>object</b>. So we need to add an extra condition to <b>check</b> <b>if</b> the <b>object</b> <b>is</b> not an array: /* <b>Check</b> for type <b>object</b> and non-array */. function isObject ...

6.
URL: https://www.w3schools.com/js/js_objects.asp
Title: JavaScript Objects - W3Schools
Content: JavaScript <b>Objects</b> are Mutable. <b>Objects</b> are mutable: They are addressed by reference, not by value. If person is an <b>object</b>, the following statement will not create a copy of person: const x = person; The <b>object</b> x is not a copy of person. The <b>object</b> x is person. The <b>object</b> x and the <b>object</b> person share the same memory address.

7.
URL: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object
Title: Object - JavaScript | MDN - MDN Web Docs
Content: <b>In</b> such case, the addition of any method should be done cautiously, as they can be confused with the other key-value pairs stored as data. Making your <b>object</b> not inherit from <b>Object</b>.prototype also prevents prototype pollution attacks. If a malicious script adds a property to <b>Object</b>.prototype, it will be accessible on every <b>object</b> <b>in</b> your program, except <b>objects</b> that have null prototype.

8.
URL: https://www.geeksforgeeks.org/how-to-check-if-a-value-is-object-like-in-javascript/
Title: How to check if a value is object-like in JavaScript - GeeksforGeeks
Content: <b>In</b> JavaScript, we can <b>check</b> the type of value in many ways. Basically, we <b>check</b> <b>if</b> <b>a</b> value is <b>object</b>-like usingtypeof, instanceof, constructor, and <b>Object</b>.prototype.toString.call (k). All of the operators are used in some specific conditions. There are several methods that can be used to <b>check</b> <b>if</b> <b>a</b> value is <b>object</b>-like in JavaScript.

9.
URL: https://attacomsian.com/blog/javascript-object-check-if-property-exists
Title: How to check if a property exists in an object in JavaScript
Content: <b>in</b> Operator. The in operator is another way to <b>check</b> the presence of a property in an <b>object</b> <b>in</b> JavaScript. It returns true if the property exists in an <b>object</b>. Otherwise, it returns false. Let us use the in operator to look for the cake property in the food <b>object</b>: const food = {. pizza: '🍕',

10.
URL: https://dmitripavlutin.com/check-if-object-has-property-javascript/
Title: 3 Ways to Check If an Object Has a Property/Key in JavaScript
Content: 4. Summary. There are mainly 3 ways to <b>check</b> <b>if</b> the properties or keys exist in an <b>object</b>. The first way is to invoke <b>object</b>.hasOwnProperty (propName). The method returns true if the propName exists inside <b>object</b>, and false otherwise. hasOwnProperty () searches only within the own properties of the <b>object</b>.

11.
URL: https://stackoverflow.com/questions/10368632/how-can-i-tell-if-it-is-an-object-or-an-array
Title: javascript - How can I tell if it is an object or an array? - Stack ...
Content: 6. An array is an <b>object</b>. You can test if an <b>object</b> <b>is</b> an array as follows: <b>Object</b>.prototype.toString.apply(value) === <b>'[object</b> Array]'; You can wrap this up into a function as follows: function isArray(a) {. return <b>Object</b>.prototype.toString.apply(a) === <b>'[object</b> Array]'; }

12.
URL: https://developer.mozilla.org/en-US/docs/Learn/JavaScript/Objects/Basics
Title: JavaScript object basics - Learn web development | MDN - MDN Web Docs
Content: The value of an <b>object</b> member can be pretty much anything — in our person <b>object</b> we've got a number, an array, and two functions. The first two items are data items, and are referred to as the <b>object's</b> properties.The last two items are functions that allow the <b>object</b> <b>to</b> do something with that data, and are referred to as the <b>object's</b> methods.. When the <b>object's</b> members are functions there's ...

13.
URL: https://www.freecodecamp.org/news/javascript-typeof-how-to-check-the-type-of-a-variable-or-object-in-js/
Title: JavaScript TypeOf - How to Check the Type of a Variable or Object in JS
Content: The type of an Array is an <b>object</b>. Though technically correct, this could be the most disappointing one. We want to differentiate between an Array and <b>Object</b> even if an Array is technically an <b>Object</b> <b>in</b> JavaScript. typeof Array (4); //<b>'object'</b> Fortunately there are ways to detect an Array correctly. We will see that soon.

14.
URL: https://www.codevscolor.com/javascript-check-if-object-is-string
Title: 3 ways to check if an object is string or not in JavaScript
Content: <b>How</b> <b>to</b> <b>check</b> <b>if</b> an <b>object</b> <b>is</b> string or not in JavaScript: There are different ways in JavaScript to <b>check</b> <b>if</b> an <b>object</b> <b>is</b> string or not in JavaScript. This post will show you couple of different ways with examples. Method 1: By using typeof and instanceof: The typeof operator can be used to <b>check</b> the type of an operand.

15.
URL: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/is
Title: Object.is() - JavaScript | MDN - MDN Web Docs
Content: Description. <b>Object</b>.<b>is</b>() determines whether two values are the same value. Two values are the same if one of the following holds: both undefined. both null. both true or both false. both strings of the same length with the same characters in the same order. both the same <b>object</b> (meaning both values reference the same <b>object</b> <b>in</b> memory)


Assistant: