gilbert · September 20, 2016 15:09 · Sep 20, 2016 · Sep 20, 2016 · May 22, 2015 · May 21, 2015
diff --git a/functions.js b/functions.js
@@ -4,7 +4,7 @@
 //
 //   var add = function (x,y) { return x + y }
 //   var add5 = add.papp(5)
-//   add5(7) //=> 11
+//   add5(7) //=> 12
 //
 Function.prototype.papp = function () {
   var slice = Array.prototype.slice

diff --git a/functions.js b/functions.js
@@ -49,20 +49,34 @@ Function.prototype.coldPapp = function() {
 }
 
 
-// Compose two functions together,
-// piping the result of one to the other.
-// Example:
-//
-//   var double = function (x) { return x * 2 }
-//   var addOne = function (x) { return x + 1 }
-//   var doublePlus = double.andThen(addOne)
-//   doublePlus(3) //=> 7
-//
-Function.prototype.andThen = function(f) {
-  var g = this
-  return function() {
-    var slice = Array.prototype.slice
-    var args = slice.call(arguments)
-    return f.call(this, g.apply(this, args))
+Function.prototype.throttle = function (fn, waittime, threshhold, scope) {
+  threshhold || (threshhold = 250);
+  var last, deferTimer
+
+  var go = function () {
+    var context = scope || this
+
+    var now = +new Date,
+        args = arguments
+
+    if (last && now < last + threshhold) {
+      // hold on to it
+      clearTimeout(deferTimer)
+
+      deferTimer = setTimeout(function () {
+        last = now
+        fn.apply(context, args)
+      }, threshhold)
+
+    } else {
+      last = now
+      fn.apply(context, args)
+    }
+  }
+
+  var goTimeout = null
+  return function () {
+    clearTimeout(goTimeout)
+    goTimeout = setTimeout(go, waittime)
   }
 }
diff --git a/functions.js b/functions.js
@@ -2,7 +2,7 @@
 // specific data to an event handler.
 // Example:
 //
-//   var add = function (x,y) { return x + y; }
+//   var add = function (x,y) { return x + y }
 //   var add5 = add.papp(5)
 //   add5(7) //=> 11
 //
@@ -19,7 +19,7 @@ Function.prototype.papp = function () {
 // anchor click page jumps and form submits.
 // Example:
 //
-//   var x = 0;
+//   var x = 0
 //   var increment = function () { x += 1 }
 //   myAnchorEl.addEventListener('click', increment.chill())
 //
@@ -28,13 +28,13 @@ Function.prototype.chill = function() {
   return function(e) {
     e.preventDefault()
     return fn()
-  };
-};
+  }
+}
 
 // Both prevent default and partially apply in one go.
 // Example:
 //
-//   var x = 0;
+//   var x = 0
 //   var increment = function (amount) { x += amount }
 //   myAnchorEl.addEventListener('click', increment.coldPapp(17))
 //
@@ -45,8 +45,8 @@ Function.prototype.coldPapp = function() {
   return function(e) {
     e.preventDefault()
     return fn.apply(this, args.concat(slice.call(arguments, 1)))
-  };
-};
+  }
+}
 
 
 // Compose two functions together,

diff --git a/functions.js b/functions.js
@@ -48,26 +48,6 @@ Function.prototype.coldPapp = function() {
   };
 };
 
-// Apply the combination of two arrays of arguments.
-// Useful for dealing with fancy functions using the `arguments` keyword.
-// Example:
-//
-//   function sum () {
-//     var result = 0
-//     for (var i=0; i < arguments.length; i++) { result += arguments[i] }
-//     return result
-//   }
-//   function sumPlusTen () {
-//     return sum.apply2(null, [10], arguments)
-//   }
-//   sumPlusTen(100,200) //=> 310
-//
-Function.prototype.apply2 = function (context, args1, args2) {
-  var slice = [].slice
-  var args = slice.call(args1).concat(slice.call(args2))
-  return this.apply(context, args)
-}
-
 
 // Compose two functions together,
 // piping the result of one to the other.

diff --git a/functions.js b/functions.js
@@ -60,6 +60,7 @@ Function.prototype.coldPapp = function() {
 //   function sumPlusTen () {
 //     return sum.apply2(null, [10], arguments)
 //   }
+//   sumPlusTen(100,200) //=> 310
 //
 Function.prototype.apply2 = function (context, args1, args2) {
   var slice = [].slice

diff --git a/functions.js b/functions.js
@@ -48,6 +48,25 @@ Function.prototype.coldPapp = function() {
   };
 };
 
+// Apply the combination of two arrays of arguments.
+// Useful for dealing with fancy functions using the `arguments` keyword.
+// Example:
+//
+//   function sum () {
+//     var result = 0
+//     for (var i=0; i < arguments.length; i++) { result += arguments[i] }
+//     return result
+//   }
+//   function sumPlusTen () {
+//     return sum.apply2(null, [10], arguments)
+//   }
+//
+Function.prototype.apply2 = function (context, args1, args2) {
+  var slice = [].slice
+  var args = slice.call(args1).concat(slice.call(args2))
+  return this.apply(context, args)
+}
+
 
 // Compose two functions together,
 // piping the result of one to the other.

diff --git a/functions.js b/functions.js
@@ -31,7 +31,7 @@ Function.prototype.chill = function() {
   };
 };
 
-// Both prevent default and partially apply in one go
+// Both prevent default and partially apply in one go.
 // Example:
 //
 //   var x = 0;

diff --git a/functions.js b/functions.js
@@ -1,12 +1,12 @@
-// Curry a function. Useful for binding specific data
-// to an event handler.
+// Partially apply arguments to a function. Useful for binding
+// specific data to an event handler.
 // Example:
 //
 //   var add = function (x,y) { return x + y; }
-//   var add5 = add.curry(5)
+//   var add5 = add.papp(5)
 //   add5(7) //=> 11
 //
-Function.prototype.curry = function () {
+Function.prototype.papp = function () {
   var slice = Array.prototype.slice
   var fn = this
   var args = slice.call(arguments)
@@ -15,7 +15,7 @@ Function.prototype.curry = function () {
   }
 }
 
-// Simply prevent the default action. Useful for preventing
+// Prevents the default action. Useful for preventing
 // anchor click page jumps and form submits.
 // Example:
 //
@@ -31,14 +31,14 @@ Function.prototype.chill = function() {
   };
 };
 
-// Both prevent default and curry in one go
+// Both prevent default and partially apply in one go
 // Example:
 //
 //   var x = 0;
 //   var increment = function (amount) { x += amount }
-//   myAnchorEl.addEventListener('click', increment.coldCurry(17))
+//   myAnchorEl.addEventListener('click', increment.coldPapp(17))
 //
-Function.prototype.coldCurry = function() {
+Function.prototype.coldPapp = function() {
   var slice = Array.prototype.slice
   var fn = this
   var args = slice.call(arguments)

diff --git a/functions.js b/functions.js
@@ -47,3 +47,22 @@ Function.prototype.coldCurry = function() {
     return fn.apply(this, args.concat(slice.call(arguments, 1)))
   };
 };
+
+
+// Compose two functions together,
+// piping the result of one to the other.
+// Example:
+//
+//   var double = function (x) { return x * 2 }
+//   var addOne = function (x) { return x + 1 }
+//   var doublePlus = double.andThen(addOne)
+//   doublePlus(3) //=> 7
+//
+Function.prototype.andThen = function(f) {
+  var g = this
+  return function() {
+    var slice = Array.prototype.slice
+    var args = slice.call(arguments)
+    return f.call(this, g.apply(this, args))
+  }
+}
diff --git a/functions.js b/functions.js
@@ -11,7 +11,7 @@ Function.prototype.curry = function () {
   var fn = this
   var args = slice.call(arguments)
   return function () {
-    fn.apply(this, args.concat(slice.call(arguments)))
+    return fn.apply(this, args.concat(slice.call(arguments)))
   }
 }
 

diff --git a/functions.js b/functions.js
@@ -1,5 +1,11 @@
 // Curry a function. Useful for binding specific data
 // to an event handler.
+// Example:
+//
+//   var add = function (x,y) { return x + y; }
+//   var add5 = add.curry(5)
+//   add5(7) //=> 11
+//
 Function.prototype.curry = function () {
   var slice = Array.prototype.slice
   var fn = this
@@ -9,8 +15,14 @@ Function.prototype.curry = function () {
   }
 }
 
-// Simply prevent the default action. Useful for binding
-// to anchor tag clicks and form submits.
+// Simply prevent the default action. Useful for preventing
+// anchor click page jumps and form submits.
+// Example:
+//
+//   var x = 0;
+//   var increment = function () { x += 1 }
+//   myAnchorEl.addEventListener('click', increment.chill())
+//
 Function.prototype.chill = function() {
   var fn = this
   return function(e) {
@@ -20,6 +32,12 @@ Function.prototype.chill = function() {
 };
 
 // Both prevent default and curry in one go
+// Example:
+//
+//   var x = 0;
+//   var increment = function (amount) { x += amount }
+//   myAnchorEl.addEventListener('click', increment.coldCurry(17))
+//
 Function.prototype.coldCurry = function() {
   var slice = Array.prototype.slice
   var fn = this

diff --git a/functions.js b/functions.js
@@ -0,0 +1,31 @@
+// Curry a function. Useful for binding specific data
+// to an event handler.
+Function.prototype.curry = function () {
+  var slice = Array.prototype.slice
+  var fn = this
+  var args = slice.call(arguments)
+  return function () {
+    fn.apply(this, args.concat(slice.call(arguments)))
+  }
+}
+
+// Simply prevent the default action. Useful for binding
+// to anchor tag clicks and form submits.
+Function.prototype.chill = function() {
+  var fn = this
+  return function(e) {
+    e.preventDefault()
+    return fn()
+  };
+};
+
+// Both prevent default and curry in one go
+Function.prototype.coldCurry = function() {
+  var slice = Array.prototype.slice
+  var fn = this
+  var args = slice.call(arguments)
+  return function(e) {
+    e.preventDefault()
+    return fn.apply(this, args.concat(slice.call(arguments, 1)))
+  };
+};