# Interview Questions

1 min read, 196 words interview question

# Questions

What is js bind? How is it different from Symbols()?: Binds an object to function, without using arguments. Reference it using this
UseCase In EventHandling function, parameters event is binded to function and could be used with `this`

# Linked List

class LinkedList {
  constructor() {
    this.head = null;
    this.lenth = 0;
  }
  insertAtHead(data) {
    const newNode = new LinkedListNode(data, this.head);
    this.head = newNode;
    this.length++;
  }
}

class LinkedListNode {
  constructor(value, next) {
    this.value = value;
    this.next = next;
  }
}
// TESTS
// createa list from bunch of values

What is the difference between typeof and instanceof? (opens new window)

Use typof for primitive data-types and instanceof for custom types

callback instanceof Function
typeof callback == "function"

# Resources

# Problem Solving

Drag and drop like trello
Sum of items in array (which can containe multiple arrays recursively)
Add drawing canvas, real editor in browser
calculator app using react

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