25 lines
		
	
	
		
			568 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
		
		
			
		
	
	
			25 lines
		
	
	
		
			568 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
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								'use strict';
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								var parsers = require('../parsers');
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								var isValid = (module.exports.isValid = function isValid(v) {
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								  return (
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								    parsers.valueType(v) === parsers.TYPES.KEYWORD &&
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								    (v.toLowerCase() === 'scroll' || v.toLowerCase() === 'fixed' || v.toLowerCase() === 'inherit')
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								  );
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								});
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								module.exports.definition = {
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								  set: function(v) {
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								    if (!isValid(v)) {
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								      return;
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								    }
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								    this._setProperty('background-attachment', v);
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								  },
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								  get: function() {
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								    return this.getPropertyValue('background-attachment');
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								  },
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								  enumerable: true,
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								  configurable: true,
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								};
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