JS Exploration Interview part 2
Juan Sebastian Contreras Acevedoにより

1. Math
1.1. abs
1.2. ceil
1.3. floor
1.4. pow(x,y)
1.5. min(ab,c...)
1.6. max(a,b,c...)
1.7. random()
1.8. sqrt()
1.9. toFixed
1.9.1. var num = 5.56789; var n = num.toFixed(2);
1.10. toPrecision
1.10.1. adds more numbers if reqried
2. JSON
2.1. parse
2.2. stringify
3. String Methods
3.1. charAt
3.2. concat
3.3. endsWith
3.3.1. length to add
3.4. indexOf
3.5. lastIndexOf
3.6. repeat
3.7. replace
3.7.1. replace(new RegExpt('test',g), 'xoxoxo')
3.8. substrings methods
3.8.1. substr
3.8.1.1. index and length based
3.8.2. substring
3.8.2.1. No negative
3.8.2.2. between two positive ranges