The following content requires points higher than 150 for you to view:

1. Event bubbling
2. CSS preprocessor
3. Accessibility
4. Promises and callbacks
   coding:
5. Visually inspect the output results and follow up: Correct (both output 7)
   var Foo = function (a) {
   function bar () {
   console.log(a)
   }
   this.baz = function () {
   console.log(a);
   }
   }
   Foo.prototype = {
   biz: function () {
   console.log(a);
   }
   }
   var f = new Foo(7);
   f.bar();
   f.baz();
   f.biz();
   Copy code

endorsements = [
{skill: ‘js’, user: ‘john’},
{skill: ‘java’, user: ‘tom’},
{skill: ‘js’, user: ‘jack’},
{skill: ‘c’, user: ‘steven’},
]
===>
[
{skill: ‘js’, user: [‘john’, ‘jack’], count: 2},
{skill: ‘java’, user: [‘tom’], count: 1},
{skill: ‘c’, user: [‘steven’], count: 1},
]

To sort by count
3. ‍‌‌‌‌‌‌‌‌‍‌‌‌‍‍‍‍‍‌‌‍‌html/css Given a picture of People You May Know, write html and css blindly (no effect is explicit)
Failed. Probably the senior position requirements are beyond my reach, HR mentioned that I am not as good as they had hoped.