Interview 5 (daily punch)

32. Write a function, to clear space before and after the string. (Compatible with all browsers)

35. How to obtain the maximum and minimum number of three javascript?

37. .form The input can be set to readonly and disable, 2 who ask what is the difference?

38. The three main types of data include the javaScript, two kinds of complex data types and two special data types.

40. Ajax principles

44. Scroll from the browser:

45. The size of the viewing area:

46. ​​There are several types of nodes, what are?

48. offsetWidth offsetHeight and difference of clientWidth clientHeight

49. Closure of benefits

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