to

The to attribute indicates the final value of the attribute that will be modified during the animation.

The value of the attribute will change between the from attribute value and this value.

You can use this attribute with the following SVG elements:

Example

html,
body,
svg {
  height: 100%;
}

html

<svg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg">
  <rect x="10" y="10" width="100" height="100">
    <animate
      attributeType="XML"
      attributeName="width"
      fill="freeze"
      from="100"
      to="150"
      dur="3s" />
  </rect>
</svg>

animate, animateMotion, animateTransform

For <animate>, <animateMotion>, and <animateTransform>, to specifies the ending value of the animation.

Value	`<value>`
Default value	None
Animatable	No

The exact value type for this attribute depend on the value of the attribute that will be animated.

If a list of values is defined via the values attribute, the to attribute is ignored.

set

For the <set> element, to specifies the value for the attribute during the duration of the element.

Value	`<value>`
Default value	None
Animatable	No

The exact value type for this attribute depend on the value of the attribute that will be animated.

Specifications

Specification
SVG Animations Level 2 # SetElementToAttribute
SVG Animations Level 2 # ToAttribute