src/elements/Elt.dom.js
function(elt,name,value){
		/*#if DEV*/if(elt.nodeType !== NodeTypes.ELEMENT) throw new Error('setProp not allowed on non-element nodes'); /*#/if*/
		return elt[name]=value;
	}
function(elt,name,value){
		/*#if DEV*/if(elt.nodeType !== NodeTypes.ELEMENT) throw new Error('setProp not allowed on non-element nodes'); /*#/if*/
		return elt[name]=value;
	}
function ( elt , name , value ) { /*#if DEV*/ if ( elt . nodeType !== NodeTypes . ELEMENT ) throw new Error ( 'setProp not allowed on non-element nodes' ) ; /*#/if*/ return elt [ name ] = value ; }
Overrided in dom.js
Overrided in dom . js