javascript anonymous autoexec with parameter -


i creating javascript object anonymous function this

(function(){   window['d'] = this;   this.sayhello = function(){     console.log("hello world");   }  })();

how pass parameter d object can call d(someparams).sayhello() can call d.sayhello(). need change , where?

(function(){   var pars = arguments[0] || {};   window['d'] = this;   this.sayhello = function(){     console.log("hello world");   }  })({a:'test'})

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