Front End Interview Summary (JavaScript)

2. Ajax pros and cons
4. JSON and JSONP differences
6. Provincial linkage
8. Select All
9. array de-weight:How do I eliminate duplicate elements in an array?

   Method One:var arr1 =[1,2,2,2,3,3,3,4,5,6], arr2 = [];  For (0) {Arr2.push (arr1[i]);}} //1,2,3,4,5,6             

11. Scope and scope chain
13. Closures, prototypes, inheritance
15. String
17. Regular
19. Cookie,localstorage,sessionstorage
21. Ajax principles, GET and post
23. Event Bindings
25. JS internal mechanism
27. Data type
29. Event bubbling Capture
31. Waterfall Flow
33. Event Object
35. Rem
37. Sort

Front End Interview Summary (JavaScript)