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testing bind without context

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This commit is contained in:
Jeremy Ashkenas
2009-11-07 23:24:12 -05:00
parent ef35fe1d86
commit 9d4e34e19e
1 changed files with 5 additions and 2 deletions
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5
test/functions.js
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@@ -4,13 +4,16 @@ $(document).ready(function() {
test("functions: bind", function() { test("functions: bind", function() {
var context = {name : 'moe'}; var context = {name : 'moe'};
var func = function() { return "name: " + this.name; }; var func = function(arg) { return "name: " + (this.name || arg); };
var bound = _.bind(func, context); var bound = _.bind(func, context);
equals(bound(), 'name: moe', 'can bind a function to a context'); equals(bound(), 'name: moe', 'can bind a function to a context');
bound = _(func).bind(context); bound = _(func).bind(context);
equals(bound(), 'name: moe', 'can do OO-style binding'); equals(bound(), 'name: moe', 'can do OO-style binding');
bound = _.bind(func, null, 'curly');
equals(bound(), 'name: curly', 'can bind without specifying a context');
func = function(salutation, name) { return salutation + ': ' + name; }; func = function(salutation, name) { return salutation + ': ' + name; };
func = _.bind(func, this, 'hello'); func = _.bind(func, this, 'hello');
equals(func('moe'), 'hello: moe', 'the function was partially applied in advance'); equals(func('moe'), 'hello: moe', 'the function was partially applied in advance');