String Type

Enclose String constants with a single or double quote:

var mystring = "InetSoft Technology Corp."

mystring = 'InetSoft Technology Corp.'

Strings can be concatenated using the plus operator:

var str = 'Total: ' + total;

If a value concatenated to a string is of a different type, it is converted to a string automatically. Strings have many methods, with the most frequently used including: substring(), toLowerCase(), toUpperCase() and indexOf().

var str = 'abcd';

str = str.toUpperCase(); // converts to ABCD

var bIdx = str.indexOf('B'); //return 1

str = str.substring(1, 2); // return 'B'

Strings have built-in support for regular expressions. You can find a regular expression in a string using the match() or search() method:

str = 'this is a test of regular expression';

re = /test/; // create a regular expression

var idx = str.search(re); // return the position of the regular expression

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