Fix an issue that caused the function returned by `bind` to error when its original function had no `prototype` property defined.
Fix an issue that caused the function returned by `bind` to error when its original function had no `prototype` property defined.
fashionsun/prototype,erpframework/prototype,ridixcr/prototype,ldf7801528/prototype,sstephenson/prototype,ridixcr/prototype,Gargaj/prototype,ShefronYudy/prototype,baiyanghese/prototype,fashionsun/prototype,fashionsun/prototype,loduis/prototype,292388900/prototype,lamsieuquay/prototype,loduis/prototype,sstephenson/prototype,erpframework/prototype,sstephenson/prototype,lamsieuquay/prototype,sdumitriu/prototype,Gargaj/prototype,lamsieuquay/prototype,Gargaj/prototype,ldf7801528/prototype,baiyanghese/prototype,ridixcr/prototype,sdumitriu/prototype,ShefronYudy/prototype,ShefronYudy/prototype,sdumitriu/prototype,Jiasm/prototype,ldf7801528/prototype,erpframework/prototype,Jiasm/prototype,292388900/prototype,loduis/prototype,292388900/prototype,Jiasm/prototype