W3Schools is optimized for learning, testing, and training. HTML5 do not support the width attribute of , so the CSS property width is used with the style attribute to set table width. The width attribute specifies the width of the element, in pixels.

But first, we need a baseline to compare against. Examples might be simplified to improve reading and basic understanding.

However, if you want to control the width of each column, you can do so by adjusting the width of each

or

of a single row. The width can be set either as an absolute value in pixels, or as in percentage (%). 次に要素のwidthをpx（ピクセル数）で指定してみましょう。pxはいわゆる絶対値の値になります。たとえば、width: 500pxと書けば、親要素に関係なく幅は500pxになります。 画像の幅をpxで指定してみよう. If the width attribute is not set, it will takes up the space of longest single word in each cell. However, when it gets focus, make it 250px wide: By default, a browser will adjust table columns to fit the contents of the table. The width attribute, now deprecated, was once the correct way to adjust the width of a table’s columns. HTML Table Width. However, when The attribute is used with the HTML tag, with the CSS property width. Note: For input elements, the width attribute is used only with . The width of an element does not include padding, borders, or margins!The numbers in the table specify the first browser version that fully supports the property.Set the width of an element using a percent value:Set the width of an element to 100px. To set the table width in HTML, use the style attribute. The actual purpose of the width attribute, according to the specification, is to inform the browser of the actual, intrinsic width (in CSS pixels) of the image file. The Style width property in HTML DOM is used to set or return the width of an element which can be block-level elements or elements with fixed position. Tutorials, references, and examples are constantly reviewed to avoid errors, but we cannot warrant full correctness of all content. it gets focus, make it 250px wide:If you want to report an error, or if you want to make a suggestion, do not hesitate to send us an e-mail: Let’s see how this used to be done with the widthattribute and then we’ll look at how the same thing can now be done with CSS. 浏览器支持. W3Schools is optimized for learning, testing, and training. The width attribute specifies the width of a table or the width of a table cell. Examples might be simplified to improve reading and basic understanding. The style attribute specifies an inline style for an element. While using this site, you agree to have read and accepted our Table width in pixels As you can see, in this firs… The width attribute specifies the width of the element, in pixels.The width attribute can be used on the following elements:A element with a height and width of 200 pixels:A flash animation with a height and width of 200 pixels:An