js,py,ru

来源：互联网发布：精子优化处理是什么编辑：程序博客网时间：2024/04/16 17:38

语言javascriptpythonruby条件循环

if ( ) {·····}

else if ( ){······}

else{·····}

if ·········:

··········

elif········:

···········

else :

···········

if··········

···········

elsif·······

···········

else

···········

end

打印console.log("·····")print ······print········ puts······· 注释//·······

/*··········*/

#······

”“”·······“”“

#··········

=begin

·····

=end

片段A.substring(0,3) 方法A.lengthlen(A)A.upper()str(A)A.lower()

A.length

A.reverse

A.upcase

A.downcase

A.capitalize!

连结 ”·····“+”·······“ " "," " 函数

var A = function()
{····················}

def A ( ) :

············

替换 print %s %("···") 大小true / falseTrue / Falsetrue /false (随意 )布尔 ! / && / ||not / and / or ! / && / ||循环

for(i=0 ; i<8 ; i++)

{ ··················}

while····

·····

end

for x in 1...10
········
end

自运算

x++

x+=2

【+-*/】

x*=2

【+-*/】

x+=2

【+-*/】

数组[ ]

[ lists ] {key1:a, key2:b}

list.append( )

list.sort( )

list.remove( )

len( list )

residens[ ]

index[ ]

dictionary[ 'key' ]=sth

del dic_name[ key_name ]

range( )

[ arry ] { hash }简写·····? A : b 弹出promptraw_inputgets.chomp导入模块 from module import function 数学函数 max( ) min( ) abs( ) type( ) 特色 A.method1.method2打印衔接“A”+“B” “A #{B}”迭代

loop do

··········

break if····

end

其他

for X in array :

·················

for i in (0,range(x))

10.times{ do sth }