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Issue #150: _.bind should allow binding functions to falsy values.

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This commit is contained in:
Kit Goncharov
2011-03-20 09:36:00 -06:00
parent 59ef91ee80
commit 4869b4c6ca
2 changed files with 7 additions and 2 deletions
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5
test/functions.js
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@@ -24,6 +24,11 @@ $(document).ready(function() {
var func = function(salutation, firstname, lastname) { return salutation + ': ' + firstname + ' ' + lastname }; var func = function(salutation, firstname, lastname) { return salutation + ': ' + firstname + ' ' + lastname };
func = _.bind(func, this, 'hello', 'moe', 'curly'); func = _.bind(func, this, 'hello', 'moe', 'curly');
equals(func(), 'hello: moe curly', 'the function was partially applied in advance and can accept multiple arguments'); equals(func(), 'hello: moe curly', 'the function was partially applied in advance and can accept multiple arguments');
func = function(context, message) { equals(this, context, message); };
_.bind(func, 0, 0, 'can bind a function to `0`')();
_.bind(func, '', '', 'can bind a function to an empty string')();
_.bind(func, false, false, 'can bind a function to `false`')();
}); });
test("functions: bindAll", function() { test("functions: bindAll", function() {

2
underscore.js
View File

@@ -412,7 +412,7 @@
if (nativeBind && func.bind === nativeBind) return func.bind.apply(func, slice.call(arguments, 1)); if (nativeBind && func.bind === nativeBind) return func.bind.apply(func, slice.call(arguments, 1));
var args = slice.call(arguments, 2); var args = slice.call(arguments, 2);
return function() { return function() {
return func.apply(obj || {}, args.concat(slice.call(arguments))); return func.apply(obj, args.concat(slice.call(arguments)));
}; };
}; };