Update doc examples to ES2015.

after.js

@@ -11,15 +11,10 @@ import toInteger from './toInteger.js';
  * @returns {Function} Returns the new restricted function.
  * @example
  *
- * var saves = ['profile', 'settings'];
+ * const saves = ['profile', 'settings'];
+ * const done = after(saves.length, () => console.log('done saving!'));
  *
- * var done = after(saves.length, function() {
- *   console.log('done saving!');
- * });
- *
- * forEach(saves, function(type) {
- *   asyncSave({ 'type': type, 'complete': done });
- * });
+ * forEach(saves, type => asyncSave({ 'type': type, 'complete': done }));
  * // => Logs 'done saving!' after the two async saves have completed.
  */
 function after(n, func) {

assignInWith.js

@@ -24,7 +24,7 @@ import keysIn from './keysIn.js';
  *   return isUndefined(objValue) ? srcValue : objValue;
  * }
  *
- * var defaults = partialRight(assignInWith, customizer);
+ * const defaults = partialRight(assignInWith, customizer);
  *
  * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });
  * // => { 'a': 1, 'b': 2 }

assignWith.js

@@ -23,7 +23,7 @@ import keys from './keys.js';
  *   return isUndefined(objValue) ? srcValue : objValue;
  * }
  *
- * var defaults = partialRight(assignWith, customizer);
+ * const defaults = partialRight(assignWith, customizer);
  *
  * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });
  * // => { 'a': 1, 'b': 2 }

at.js

@@ -10,7 +10,7 @@ import baseAt from './.internal/baseAt.js';
  * @returns {Array} Returns the picked values.
  * @example
  *
- * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };
+ * const object = { 'a': [{ 'b': { 'c': 3 } }, 4] };
  *
  * at(object, ['a[0].b.c', 'a[1]']);
  * // => [3, 4]

attempt.js

@@ -13,9 +13,8 @@ import isError from './isError.js';
  * @example
  *
  * // Avoid throwing errors for invalid selectors.
- * var elements = attempt(function(selector) {
- *   return document.querySelectorAll(selector);
- * }, '>_>');
+ * const elements = attempt(selector =>
+ *   document.querySelectorAll(selector), '>_>');
  *
  * if (isError(elements)) {
  *   elements = [];

bind.js

@@ -28,14 +28,14 @@ const WRAP_PARTIAL_FLAG = 32;
  *   return greeting + ' ' + this.user + punctuation;
  * }
  *
- * var object = { 'user': 'fred' };
+ * const object = { 'user': 'fred' };
  *
- * var bound = bind(greet, object, 'hi');
+ * const bound = bind(greet, object, 'hi');
  * bound('!');
  * // => 'hi fred!'
  *
  * // Bound with placeholders.
- * var bound = bind(greet, object, _, '!');
+ * const bound = bind(greet, object, _, '!');
  * bound('hi');
  * // => 'hi fred!'
  */

bindAll.js

@@ -16,11 +16,9 @@ import toKey from './.internal/toKey.js';
  * @returns {Object} Returns `object`.
  * @example
  *
- * var view = {
+ * const view = {
  *   'label': 'docs',
- *   'click': function() {
- *     console.log('clicked ' + this.label);
- *   }
+ *   'click': () => console.log(`clicked ${ this.label }`)
  * };
  *
  * bindAll(view, ['click']);

bindKey.js

@@ -27,14 +27,14 @@ const WRAP_PARTIAL_FLAG = 32;
  * @returns {Function} Returns the new bound function.
  * @example
  *
- * var object = {
+ * const object = {
  *   'user': 'fred',
  *   'greet': function(greeting, punctuation) {
  *     return greeting + ' ' + this.user + punctuation;
  *   }
  * };
  *
- * var bound = bindKey(object, 'greet', 'hi');
+ * const bound = bindKey(object, 'greet', 'hi');
  * bound('!');
  * // => 'hi fred!'
  *
@@ -46,7 +46,7 @@ const WRAP_PARTIAL_FLAG = 32;
  * // => 'hiya fred!'
  *
  * // Bound with placeholders.
- * var bound = bindKey(object, 'greet', _, '!');
+ * const bound = bindKey(object, 'greet', _, '!');
  * bound('hi');
  * // => 'hiya fred!'
  */

castArray.js

@@ -26,7 +26,7 @@
  * castArray();
  * // => []
  *
- * var array = [1, 2, 3];
+ * const array = [1, 2, 3];
  * console.log(castArray(array) === array);
  * // => true
  */

clone.js

@@ -21,9 +21,9 @@ const CLONE_SYMBOLS_FLAG = 4;
  * @see cloneDeep
  * @example
  *
- * var objects = [{ 'a': 1 }, { 'b': 2 }];
+ * const objects = [{ 'a': 1 }, { 'b': 2 }];
  *
- * var shallow = clone(objects);
+ * const shallow = clone(objects);
  * console.log(shallow[0] === objects[0]);
  * // => true
  */

cloneDeep.js

@@ -14,9 +14,9 @@ const CLONE_SYMBOLS_FLAG = 4;
  * @see clone
  * @example
  *
- * var objects = [{ 'a': 1 }, { 'b': 2 }];
+ * const objects = [{ 'a': 1 }, { 'b': 2 }];
  *
- * var deep = cloneDeep(objects);
+ * const deep = cloneDeep(objects);
  * console.log(deep[0] === objects[0]);
  * // => false
  */

cloneDeepWith.js

@@ -21,7 +21,7 @@ const CLONE_SYMBOLS_FLAG = 4;
  *   }
  * }
  *
- * var el = cloneDeepWith(document.body, customizer);
+ * const el = cloneDeepWith(document.body, customizer);
  *
  * console.log(el === document.body);
  * // => false

cloneWith.js

@@ -23,7 +23,7 @@ const CLONE_SYMBOLS_FLAG = 4;
  *   }
  * }
  *
- * var el = cloneWith(document.body, customizer);
+ * const el = cloneWith(document.body, customizer);
  *
  * console.log(el === document.body);
  * // => false

concat.js

@@ -13,8 +13,8 @@ import copyArray from './.internal/copyArray.js';
  * @returns {Array} Returns the new concatenated array.
  * @example
  *
- * var array = [1];
- * var other = concat(array, 2, [3], [[4]]);
+ * const array = [1];
+ * const other = concat(array, 2, [3], [[4]]);
  *
  * console.log(other);
  * // => [1, 2, 3, [4]]

cond.js

@@ -13,10 +13,10 @@ import arrayMap from './.internal/arrayMap.js';
  * @returns {Function} Returns the new composite function.
  * @example
  *
- * var func = cond([
- *   [matches({ 'a': 1 }),           constant('matches A')],
+ * const func = cond([
+ *   [matches({ 'a': 1 }),         constant('matches A')],
  *   [conforms({ 'b': isNumber }), constant('matches B')],
- *   [stubTrue,                      constant('no match')]
+ *   [stubTrue,                    constant('no match')]
  * ]);
  *
  * func({ 'a': 1, 'b': 2 });

conforms.js

@@ -18,7 +18,7 @@ const CLONE_DEEP_FLAG = 1;
  * @returns {Function} Returns the new spec function.
  * @example
  *
- * var objects = [
+ * const objects = [
  *   { 'a': 2, 'b': 1 },
  *   { 'a': 1, 'b': 2 }
  * ];

conformsTo.js

@@ -15,7 +15,7 @@ import keys from './keys.js';
  * @returns {boolean} Returns `true` if `object` conforms, else `false`.
  * @example
  *
- * var object = { 'a': 1, 'b': 2 };
+ * const object = { 'a': 1, 'b': 2 };
  *
  * conformsTo(object, { 'b': function(n) { return n > 1; } });
  * // => true

constant.js

@@ -7,7 +7,7 @@
  * @returns {Function} Returns the new constant function.
  * @example
  *
- * var objects = times(2, constant({ 'a': 1 }));
+ * const objects = times(2, constant({ 'a': 1 }));
  *
  * console.log(objects);
  * // => [{ 'a': 1 }, { 'a': 1 }]

create.js

@@ -26,7 +26,7 @@ import baseCreate from './.internal/baseCreate.js';
  *   'constructor': Circle
  * });
  *
- * var circle = new Circle;
+ * const circle = new Circle;
  * circle instanceof Circle;
  * // => true
  *

curry.js

@@ -23,11 +23,11 @@ const WRAP_CURRY_FLAG = 8;
  * @returns {Function} Returns the new curried function.
  * @example
  *
- * var abc = function(a, b, c) {
+ * const abc = function(a, b, c) {
  *   return [a, b, c];
  * };
  *
- * var curried = curry(abc);
+ * const curried = curry(abc);
  *
  * curried(1)(2)(3);
  * // => [1, 2, 3]

curryRight.js

@@ -20,11 +20,11 @@ const WRAP_CURRY_RIGHT_FLAG = 16;
  * @returns {Function} Returns the new curried function.
  * @example
  *
- * var abc = function(a, b, c) {
+ * const abc = function(a, b, c) {
  *   return [a, b, c];
  * };
  *
- * var curried = curryRight(abc);
+ * const curried = curryRight(abc);
  *
  * curried(3)(2)(1);
  * // => [1, 2, 3]

debounce.js

@@ -50,8 +50,8 @@ const nativeMin = Math.min;
  * }));
  *
  * // Ensure `batchLog` is invoked once after 1 second of debounced calls.
- * var debounced = debounce(batchLog, 250, { 'maxWait': 1000 });
- * var source = new EventSource('/stream');
+ * const debounced = debounce(batchLog, 250, { 'maxWait': 1000 });
+ * const source = new EventSource('/stream');
  * jQuery(source).on('message', debounced);
  *
  * // Cancel the trailing debounced invocation.

defer.js

@@ -11,9 +11,7 @@ import baseDelay from './.internal/baseDelay.js';
  * @returns {number} Returns the timer id.
  * @example
  *
- * defer(function(text) {
- *   console.log(text);
- * }, 'deferred');
+ * defer(text => console.log(text), 'deferred');
  * // => Logs 'deferred' after one millisecond.
  */
 function defer(func, ...args) {

delay.js

@@ -13,9 +13,7 @@ import toNumber from './toNumber.js';
  * @returns {number} Returns the timer id.
  * @example
  *
- * delay(function(text) {
- *   console.log(text);
- * }, 1000, 'later');
+ * delay(text => console.log(text), 1000, 'later');
  * // => Logs 'later' after one second.
  */
 function delay(func, wait, ...args) {

differenceWith.js

@@ -19,7 +19,7 @@ import last from './last.js';
  * @returns {Array} Returns the new array of filtered values.
  * @example
  *
- * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];
+ * const objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];
  *
  * differenceWith(objects, [{ 'x': 1, 'y': 2 }], isEqual);
  * // => [{ 'x': 2, 'y': 1 }]

dropRightWhile.js

@@ -12,13 +12,13 @@ import baseWhile from './.internal/baseWhile.js';
  * @returns {Array} Returns the slice of `array`.
  * @example
  *
- * var users = [
+ * const users = [
  *   { 'user': 'barney',  'active': true },
  *   { 'user': 'fred',    'active': false },
  *   { 'user': 'pebbles', 'active': false }
  * ];
  *
- * dropRightWhile(users, function(o) { return !o.active; });
+ * dropRightWhile(users, o => !o.active);
  * // => objects for ['barney']
  */
 function dropRightWhile(array, predicate) {

dropWhile.js

@@ -12,13 +12,13 @@ import baseWhile from './.internal/baseWhile.js';
  * @returns {Array} Returns the slice of `array`.
  * @example
  *
- * var users = [
+ * const users = [
  *   { 'user': 'barney',  'active': false },
  *   { 'user': 'fred',    'active': false },
  *   { 'user': 'pebbles', 'active': true }
  * ];
  *
- * dropWhile(users, function(o) { return !o.active; });
+ * dropWhile(users, o => !o.active);
  * // => objects for ['pebbles']
  */
 function dropWhile(array, predicate) {

eq.js

@@ -10,8 +10,8 @@
  * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
  * @example
  *
- * var object = { 'a': 1 };
- * var other = { 'a': 1 };
+ * const object = { 'a': 1 };
+ * const other = { 'a': 1 };
  *
  * eq(object, object);
  * // => true

fill.js

@@ -16,7 +16,7 @@ import isIterateeCall from './.internal/isIterateeCall.js';
  * @returns {Array} Returns `array`.
  * @example
  *
- * var array = [1, 2, 3];
+ * const array = [1, 2, 3];
  *
  * fill(array, 'a');
  * console.log(array);

filter.js

@@ -16,12 +16,12 @@ import baseFilter from './.internal/baseFilter.js';
  * @see reject
  * @example
  *
- * var users = [
+ * const users = [
  *   { 'user': 'barney', 'age': 36, 'active': true },
  *   { 'user': 'fred',   'age': 40, 'active': false }
  * ];
  *
- * filter(users, function(o) { return !o.active; });
+ * filter(users, o => !o.active);
  * // => objects for ['fred']
  */
 function filter(collection, predicate) {

find.js

@@ -14,13 +14,13 @@ import findIndex from './findIndex.js';
  * @returns {*} Returns the matched element, else `undefined`.
  * @example
  *
- * var users = [
+ * const users = [
  *   { 'user': 'barney',  'age': 36, 'active': true },
  *   { 'user': 'fred',    'age': 40, 'active': false },
  *   { 'user': 'pebbles', 'age': 1,  'active': true }
  * ];
  *
- * find(users, function(o) { return o.age < 40; });
+ * find(users, o => o.age < 40);
  * // => object for 'barney'
  */
 const find = createFind(findIndex);

findIndex.js

@@ -16,13 +16,13 @@ const nativeMax = Math.max;
  * @returns {number} Returns the index of the found element, else `-1`.
  * @example
  *
- * var users = [
+ * const users = [
  *   { 'user': 'barney',  'active': false },
  *   { 'user': 'fred',    'active': false },
  *   { 'user': 'pebbles', 'active': true }
  * ];
  *
- * findIndex(users, function(o) { return o.user == 'barney'; });
+ * findIndex(users, o => o.user == 'barney');
  * // => 0
  */
 function findIndex(array, predicate, fromIndex) {