src/js/items/AbstractContentItem.js
function( id ) {
		if( !this.config.id ) {
			return false;
		} else if( typeof this.config.id === 'string' ) {
			return this.config.id === id;
		} else if( this.config.id instanceof Array ) {
			return lm.utils.indexOf( id, this.config.id ) !== -1;
		}
	}
function( id ) {
		if( !this.config.id ) {
			return false;
		} else if( typeof this.config.id === 'string' ) {
			return this.config.id === id;
		} else if( this.config.id instanceof Array ) {
			return lm.utils.indexOf( id, this.config.id ) !== -1;
		}
	}
function ( id ) { if ( ! this . config . id ) { return false ; } else if ( typeof this . config . id === 'string' ) { return this . config . id === id ; } else if ( this . config . id instanceof Array ) { return lm . utils . indexOf ( id , this . config . id ) !== - 1 ; } }
Checks whether a provided id is present

@public
@param   {String}  id

@returns {Boolean} isPresent
Checks whether a provided id is present