BenoitZugmeyer/LICENSE.txt

## README.md

      
    Raw
  

              README.md
            
          
    A 140 bytes Array.prototype.reduce solution.
It should work as described on MDN.
If the array has no value and no initial value is passed, it raises an error. If the callback is not a function, it will fail when tempting to call it.
There is one major difference between ES5 specifications and this implementation: if the second parametter is specified but undefined, it won't be taken as initial value. There is no place to put a arguments.length here :(

  
## annotated.js
Array.prototype.reduce =
  [].reduce || // if not defined yet
  function(
    c,  // callback function
    v   // initial value (optionnal)
  ) {
    for(  // iterate
      // make actions in the first for statement, save one ';' :)
      var t=this
        , u   // undefined
        , i=  // initialize i to:
          (u=v===u)     // if initial value is not defined
          ? (v=t[0],1)  // set initial value to first value and set i to 1
          : 0;          // else set i to 0
      // for loop condition
      i < t.length;
    )
      // for loop body
      v=c(v,t[i],i++,t); // call the callback with the arguments, save the result value

    i<2 & u && // if the array was empty and no default value was given
      u(); // raise a TypeError (u is not a function)
    return v // else return the result
  }

## index.js
Array.prototype.reduce=[].reduce||function(c,v){for(var t=this,u,i=(u=v===u)?(v=t[0],1):0;i<t.length;)v=c(v,t[i],i++,t);i<2&u&&u();return v}

## LICENSE.txt
            DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
                    Version 2, December 2004

 Copyright (C) 2011 Benoît Zugmeyer <alk at graou dot fr>

 Everyone is permitted to copy and distribute verbatim or modified
 copies of this license document, and changing it is allowed as long
 as the name is changed.

            DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION

  0. You just DO WHAT THE FUCK YOU WANT TO.

## package.json
{
  "name": "ArrayReduce140",

  "description": "An Array:reduce method implementation in 140 bytes.",

  "keywords": [
    "array",
    "reduce"
  ]
}

## test.html
<!DOCTYPE html>
<title>Foo</title>
<div>Expected value: <b>15</b></div>
<div>Actual value: <b id="ret"></b></div>
<script>
  Array.prototype.reduce=[].reduce||function(c,v){for(var t=this,u,i=(u=v===u)?(v=t[0],1):0;i<t.length;)v=c(v,t[i],i++,t);i<2&u&&u();return v}

  document.getElementById( "ret" ).innerHTML = [1,2,3,4,5].reduce(function(a, b) { return a + b; });
</script>
	Array.prototype.reduce =
	[].reduce \|\| // if not defined yet
	function(
	c, // callback function
	v // initial value (optionnal)
	) {
	for( // iterate
	// make actions in the first for statement, save one ';' :)
	var t=this
	, u // undefined
	, i= // initialize i to:
	(u=v===u) // if initial value is not defined
	? (v=t[0],1) // set initial value to first value and set i to 1
	: 0; // else set i to 0
	// for loop condition
	i < t.length;
	)
	// for loop body
	v=c(v,t[i],i++,t); // call the callback with the arguments, save the result value

	i<2 & u && // if the array was empty and no default value was given
	u(); // raise a TypeError (u is not a function)
	return v // else return the result
	}
	DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
	Version 2, December 2004

	Copyright (C) 2011 Benoît Zugmeyer <alk at graou dot fr>

	Everyone is permitted to copy and distribute verbatim or modified
	copies of this license document, and changing it is allowed as long
	as the name is changed.

	DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
	TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION

	0. You just DO WHAT THE FUCK YOU WANT TO.
	{
	"name": "ArrayReduce140",

	"description": "An Array:reduce method implementation in 140 bytes.",

	"keywords": [
	"array",
	"reduce"
	]
	}
	<!DOCTYPE html>
	<title>Foo</title>
	<div>Expected value: <b>15</b></div>
	<div>Actual value: <b id="ret"></b></div>
	<script>
	Array.prototype.reduce=[].reduce\|\|function(c,v){for(var t=this,u,i=(u=v===u)?(v=t[0],1):0;i<t.length;)v=c(v,t[i],i++,t);i<2&u&&u();return v}

	document.getElementById( "ret" ).innerHTML = [1,2,3,4,5].reduce(function(a, b) { return a + b; });
	</script>