Daily work specifications

1. boolean Value to use isXXX、hasXXX、canXXX name

2. At a glance, we can understand that the meaning of variables is teacher
   teacherList.forEach( teacher => {})

3. Assign default
   function getTeacherInfo(teacherName = ‘Teacher.Cang’) {}

4. Reduce the number of parameters
   createClick({
   name: ‘ peng ’,
   sex: ‘ male ’,
   age: 18
   })
   function createClick({ sex }){}

5. css Use less descendant selectors Each style Navigate to each class name

6. Multiple judgment writing
   if( value === ‘duck’ || value === ‘dog’ || value === ‘cat’ ) {}
   Change it to
   const animalName = [‘duck’, ‘dog’, ‘cat’]
   if ( animalName.includes(value) ) {}

7. // Common writing
   if (condition) {
   doSomething()
   }
   // Abbreviation
   condition && doSomething()