X-Git-Url: http://git.freeside.biz/gitweb/?p=freeside.git;a=blobdiff_plain;f=httemplate%2Felements%2Fpolyfill.js;fp=httemplate%2Felements%2Fpolyfill.js;h=5e08a9933b9042c0bbff5b61480df6c421e7b9e7;hp=0000000000000000000000000000000000000000;hb=b2787f77f842a16df069227e74a2da54b8b36efb;hpb=07b346c23e24d7fb368935b964c091421517dbc0 diff --git a/httemplate/elements/polyfill.js b/httemplate/elements/polyfill.js new file mode 100644 index 000000000..5e08a9933 --- /dev/null +++ b/httemplate/elements/polyfill.js @@ -0,0 +1,30 @@ +// Function.bind(), not supported in IE8 +// polyfill from Mozilla Developer Network + +if (!Function.prototype.bind) { + Function.prototype.bind = function(oThis) { + if (typeof this !== 'function') { + // closest thing possible to the ECMAScript 5 + // internal IsCallable function + throw new TypeError('Function.prototype.bind - what is trying to be bound is not callable'); + } + + var aArgs = Array.prototype.slice.call(arguments, 1), + fToBind = this, + fNOP = function() {}, + fBound = function() { + return fToBind.apply(this instanceof fNOP + ? this + : oThis, + aArgs.concat(Array.prototype.slice.call(arguments))); + }; + + if (this.prototype) { + // native functions don't have a prototype + fNOP.prototype = this.prototype; + } + fBound.prototype = new fNOP(); + + return fBound; + }; +}