how to make explode in javascript code example

Example 1: js explode equivalent

//Loading the variable
var mystr = '0000000020C90037:TEMP:data';

//Splitting it with : as the separator
var myarr = mystr.split(":");

//Resulting array structure
myarr = ['0000000020C90037', 'TEMP', 'data'];

Example 2: js string explode

str.split(';');