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# CSSStyleDeclaration length property [ CSS CSSStyleDeclaration](#) ## Example Return the number of style declarations for the h1 element: var elmnt = document.getElementsByTagName("h1"); var x = style.length; [Try it Yourself »](#) * * * ## Definition and Usage The length property returns the number of style declarations for the specified element. * * * ## Browser Support | Property | | | | | | | --- | --- | --- | --- | --- | --- | | length | Yes | Yes | Yes | Yes | Yes | * * * ## Syntax Return the length property: element.style.length * * * ## Technical Details | DOM Version: | CSS Object Model | | --- | | Return Value: | An integer representing the number of CSS declarations | * * * ## More Examples ## Example Loop through and output the names of all inline CSS properties for the specified element: for(i = 0; i<elmnt.style.length; i++){txt += elmnt.style.item(i)} [Try it Yourself »](#) [ CSS CSSStyleDeclaration](#)