Today’s knowledge points (March 11, 2020)
53. Convert date format to timestamp
52. What is your understanding of the new operator? Manually implement a new method
51. The difference between for in and for of?
50.(‘b’+’a’+ + ‘a’+’a’).toLowerCase() === ‘banana’？
49. How to make the value of (a = = 1 & & A = = 2 & & A = = 3) true, and can it be true after changing “= =” to “= =”?
48. [CSS] what are the in line elements? What are the block level elements? CSS box model?
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