map eval splice filter reduce
function method
Array array
if (true || false) {
True False TRUE FALSE true false
for (int i = 0; i < 10; i++) {
while do foreach forEach else elseif finally try catch elif if not
switch case default with open close
delete remove create pass status meta update read
Create Read Update Delete
innerText innerHTML
+= -= /= <= >= => =< ++ -- == === ~= *= <=>
|| && AND OR Yes No YES NO
() {} [] <>
({ ... }) (( key: value )) ({ 'key': "value" })
/* */ # Comment <!-- --> // \\
<| |> #! i++ 9:0 0xFF := </>
[123, 456, 789.0]
!==
/^(?<handle>@[a-zA-Z0-9]{3,})$/
/(\(d{4})(?: )([a-zA-Z]{2})?)/g
this $this _this this. this->
substr, substring, (substr(?:ing)?)
new Date()
setTimeout
onkeydown onmouseover onresize
const let var variable $variable
input // output stdin stdout STDIN STDOUT
length size strlen len
Math PI cos sin tan sqrt
pattern match
break continue end
console.log .warn .error .table
JSON.stringify()
class extends inherits implements
public protected private final abstract trait
width, height, length, auto, inherit
320px 15pt 50vw 37vh 62.5% calc(100% - 20px);
class constructor super static __construct
return yield
Symbol.iterator
url URL data Data Query
Promise fetch resolve reject
namespace use
SELECT DISTINCT * FROM `projects` INSERT UPDATE DELETE ALTER ORDER BY WHERE LIMIT JOIN ASC DESC INNER OUTER LEFT RIGHT `field` = ? id NOT NULL
Database PDO MySQL
string String int Int integer float Float double
@var @param @return @throws @property
void null None
Exception exception Event event raise Message message
result $result $query callback throw prepare
is_null is_callable isset !isset
call_user_func
Class::staticMethod();
return static::$resolvers[$drives] ?? null; !!
import export from as
"""Comment""" "Comment" 'Comment' `Comment`
def lambda
%r %s %i
type list tuple dict
def __init__(): return self
assert append session name title bytes struct memory_limit config
(optional)
@{something.else} ${a + b} #{$unit * 6}
protocol Protocol buffer Buffer feed Feed runtime Runtime
setup Setup install Install
setup([r1, r2], [a, b, c])
TODO FIXME
U+21AF 0x904B
http:// https:// file:/// ftp:// http://www.domain.com
john.doe@fbi.gov <jane.doe@cia.gov>
:-) ;-) :) :( =) 8) :D :P :p :<
# Heading
> Quote
![image](images/portrait.jpg)
* list item
- [ ] task
- [x] completed task