Find string in a string
indexOf () method returns the index of the specified text string in the first occurrence (position):
lastIndexOf () method returns the index of the specified text string of the last occurrence of:
If the text is not found, indexOf () and lastIndexOf () both return -1
search () method returns the text string of the first occurrence of the specified location:
String length
property returns the length of the string length:
toString () method
toString () Returns a string value
toExponential () method
toExponential () Returns a string value that has been rounded comprising using the number of exponential notation.
toFixed () method
toFixed () Returns a string value that contains the specified number of decimal digits:
toPrecision () method
toPrecision () Returns a string value that contains the number specified length:
These three methods can be used to convert JavaScript variable numbers:
- Number () method
- parseInt () method
- parseFloat () method
These methods are not digitally, but global JavaScript method
Get Time
getDate() | In return values days (1-31) |
getDay() | Numerical week to get the name (0-6) |
getFullYear() | Get four-digit years (yyyy) |
getHours() | Obtaining hour (0-23) |
getMilliseconds() | Get milliseconds (0-999) |
getMinutes() | Gets points (0-59) |
getMonth() | Gets month (0-11) |
getSeconds() | Gets seconds (0-59) |
getTime() | Acquisition time (from 1 January 1970 to date) |