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September 22, 2001 Storing Style's Rules in a Collection  Tips: September 2001
Yehuda Shiran, Ph.D.
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You can access style rule definitions in their object form. The STYLE tags are represented in a zero-based collection, document.styleSheets. Each STYLE definition may include one or more rules. Each STYLE definition's rules are represented as a zero-based collection, document.styleSheets[i].rules. If your page looks like this:
document.styleSheets collection. The first STYLE definition is stored in document.styleSheets[0], while the second STYLE definition is stored in document.styleSheets[1]. The first STYLE definition includes two rules, rule1 and rule2. They will be stored in the collection document.styleSheets[0].rules. The first rule, rule1, will be stored as document.styleSheets[0].rules[0], while rule2 will be stored as document.styleSheets[0].rules[1]. The length of the rules collection for the first STYLE definition, document.styleSheets[0].rules.length, will be 2. The second STYLE definition's rules, rule3 and rule4, will be modeled in document.styleSheets[1].rules[0] and document.styleSheets[1].rules[1], respectively.
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