translateY() - CSS: Cascading Style Sheets 编辑

The translateY() CSS function repositions an element vertically on the 2D plane. Its result is a <transform-function> data type.

Note: translateY(ty) is equivalent to translate(0, ty) or translate3d(0, ty, 0).

Syntax

/* <length-percentage> values */
transform: translateY(200px);
transform: translateY(50%);

<length-percentage>: The value is a <length> or <percentage> representing the ordinate of the translating vector. A percentage value refers to the height of the reference box defined by the transform-box property.

Cartesian coordinates on ℝ²	Homogeneous coordinates on ℝℙ²	Cartesian coordinates on ℝ³	Homogeneous coordinates on ℝℙ³
A translation is not a linear transformation in ℝ² and can't be represented using a Cartesian-coordinate matrix.	$(\begin{matrix} 1 & 0 & 0 \\ 0 & 1 & t \\ 0 & 0 & 1 \end{matrix})$	$(\begin{matrix} 1 & 0 & 0 \\ 0 & 1 & t \\ 0 & 0 & 1 \end{matrix})$	$(\begin{matrix} 1 & 0 & 0 & 0 \\ 0 & 1 & 0 & t \\ 0 & 0 & 1 & 0 \\ 0 & 0 & 0 & 1 \end{matrix})$
	`[1 0 0 1 0 t]`

translateY(<length-percentage>)

<div>Static</div>
<div class="moved">Moved</div>
<div>Static</div>

div {
  width: 60px;
  height: 60px;
  background-color: skyblue;
}

.moved {
  transform: translateY(10px);
  background-color: pink;
}

Specification	Status	Comment
CSS Transforms Level 1 The definition of 'translateY()' in that specification.	Working Draft	Initial definition

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