add: instance methods SVGAnimationElement

files/en-us/web/api/svganimationelement/getcurrenttime/index.md

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+---
+title: "SVGAnimationElement: getCurrentTime() method"
+short-title: getCurrentTime()
+slug: Web/API/SVGAnimationElement/getCurrentTime
+page-type: web-api-instance-method
+browser-compat: api.SVGAnimationElement.getCurrentTime
+---
+
+{{APIRef("SVG")}}
+
+The {{domxref("SVGAnimationElement")}} method `getCurrentTime()` returns a float representing the current time in seconds relative to time zero for the given time container.
+
+## Syntax
+
+```js-nolint
+getCurrentTime()
+```
+
+### Parameters
+
+None.
+
+### Return value
+
+A float.
+
+## Examples
+
+This example demonstrates how to use `getCurrentTime()` to retrieve the current time of an animation element:
+
+```js
+const animationElement = document.querySelector("animate");
+const currentTime = animationElement.getCurrentTime();
+console.log(`The current time is: ${currentTime} seconds`);
+```
+
+## Specifications
+
+{{Specifications}}
+
+## Browser compatibility
+
+{{Compat}}

files/en-us/web/api/svganimationelement/getsimpleduration/index.md

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+---
+title: "SVGAnimationElement: getSimpleDuration() method"
+short-title: getSimpleDuration()
+slug: Web/API/SVGAnimationElement/getSimpleDuration
+page-type: web-api-instance-method
+browser-compat: api.SVGAnimationElement.getSimpleDuration
+---
+
+{{APIRef("SVG")}}
+
+The {{domxref("SVGAnimationElement")}} method `getSimpleDuration()` returns a float representing the number of seconds for the simple duration for this animation.
+
+## Syntax
+
+```js-nolint
+getSimpleDuration()
+```
+
+### Parameters
+
+None.
+
+### Return value
+
+A float.
+
+### Exceptions
+
+- `NotSupportedError` {{domxref("DOMException")}}
+  - : Thrown if the `SVGAnimationElement`'s simple duration is undefined (e.g., the end time is indefinite).
+
+## Examples
+
+This example demonstrates how to use `getSimpleDuration()` to retrieve the simple duration of an animation element:
+
+```js
+const animationElement = document.querySelector("animate");
+const duration = animationElement.getSimpleDuration();
+console.log(`The simple duration is: ${duration} seconds`);
+```
+
+## Specifications
+
+{{Specifications}}
+
+## Browser compatibility
+
+{{Compat}}

files/en-us/web/api/svganimationelement/getstarttime/index.md

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+---
+title: "SVGAnimationElement: getStartTime() method"
+short-title: getStartTime()
+slug: Web/API/SVGAnimationElement/getStartTime
+page-type: web-api-instance-method
+browser-compat: api.SVGAnimationElement.getStartTime
+---
+
+{{APIRef("SVG")}}
+
+The {{domxref("SVGAnimationElement")}} method `getStartTime()` returns a float representing the begin time, in seconds, for this animation element's current interval, if it exists, regardless of whether the interval has begun yet.
+
+## Syntax
+
+```js-nolint
+getStartTime()
+```
+
+### Parameters
+
+None.
+
+### Return value
+
+A float.
+
+### Exceptions
+
+- `InvalidStateError` {{domxref("DOMException")}}
+  - : Thrown if the `SVGAnimationElement` has no current interval.
+
+## Examples
+
+This example demonstrates how to use `getStartTime()` to retrieve the start time of an animation element:
+
+```js
+const animationElement = document.querySelector("animate");
+const startTime = animationElement.getStartTime();
+console.log(`The animation starts at: ${startTime} seconds`);
+```
+
+## Specifications
+
+{{Specifications}}
+
+## Browser compatibility
+
+{{Compat}}