Examples of using the built-in JavaScript objects.
String Object
Return the length of a string Style strings Return the position of the first occurrence of a text in a string - indexOf() Search for a text in a string and return the text if found - match() Replace characters in a string - replace()
More String object examples
Date Object
Use Date() to return today's date and time Use getTime() to calculate the years since 1970 Use setFullYear() to set a specific date Use toUTCString() to convert today's date (according to UTC) to a string Use getDay() and an array to write a weekday, and not just a number Display a clock
More Date object examples
Array Object
Create an array Use a for...in statement to loop through the elements of an array Join two arrays - concat() Put array elements into a string - join() Literal array - sort() Numeric array - sort()
More Array object examples
Boolean Object
Check Boolean value
More Boolean object examples
Math Object
Use round() to round a number Use random() to return a random number between 0 and 1 Use max() to return the number with the highest value of two specified numbers Use min() to return the number with the lowest value of two specified numbers Convert Celsius to Fahrenheit
More Math object examples
