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LTHelper Class Members

Summary

The following tables list the members exposed by LTHelper.

Public Methods

	Name	Description
	addClass	Adds the specified class string to the HTML or SVG element's current class list.
	base64Decode	Decodes a Base 64 encoded string and returns the result as a byte array.
	base64DecodeToArrayBuffer	Decodes a Base 64 encoded string and returns the result as an array buffer.
	base64DecodeToByteArray	Decodes a Base 64 encoded string and returns the result as a byte array.
	base64Encode	Encodes a byte array as Base 64 and returns the result.
	base64EncodeFromArrayBuffer	Encodes an array buffer as Base 64 and returns the result.
	cancelAnimationFrame	Cancels an animation frame, with a fallback for older browsers.
	ensureUsableCanvas	Helper method to ensure that a canvas of a given size is usable.
	hasClass	Checks an HTML or SVG element for the given class string.
	loadJS	Helper method to dynamically load a JS file and add it to the script section of the current document.
	log	Logs messages to the `console` without causing errors on older browsers.
	logError	Logs errors to the `console` without causing errors on older browsers.
	logWarning	Logs warnings to the `console` without causing errors on older browsers.
	newGuid	Creates a new GUID.
	removeClass	Removes the specified class string from the HTML or SVG element's current class list.
	removeJS	Helper method to dynamically remove a JS file previously loaded from the script section of the current document.
	requestAnimationFrame	Requests an animation frame, with a fallback for older browsers.

Public Fields

	Name	Description
	browser	Gets or sets the current browser.
	device	Gets or sets the current device.
	licenseDirectory	The directory path where LEADTOOLS looks for the license file (Deprecated).
	msPointerEnabled	Gets or sets a value indicating whether the current browser supports the Windows 8 style touch input.
	OS	Gets or sets the current operating system.
	requestCustomHeaders	An object to set custom headers to for use when requesting the LEADTOOLS license files.
	supportsAnimationFrame	Gets or sets a value indicating whether the current browser supports the HTML 5 animation frame.
	supportsCanvas	Gets or sets a value indicating whether the current browser supports HTML 5 Canvas element.
	supportsCSSTransitions	Gets or sets a value indicating whether the current browser supports CSS3 Transitions, either through the normal `transition`rule or a vendor prefix such as `webkitTransition`/`webkit-transition`.
	supportsFileReader	Gets or sets a value indicating whether the current browser supports the File/FileReader API, including the File, FileReader, URL, and Blob objects.
	supportsHTMLPointerEvents	Gets or sets a value indicating whether the current browser supports the CSS rule `pointer-events` for HTML elements.
	supportsMouse	Gets or sets a value indicating whether the current browser supports mouse input.
	supportsMultiTouch	Gets or sets a value indicating whether the current browser supports multi-touch input.
	supportsScroll	Gets or sets a value indicating whether the current browser supports scrollbars.
	supportsTouch	Gets or sets a value indicating whether the current browser supports touch input.
	supportsTransform	Gets or sets a value indicating whether the current browser supports HTML transformation.
	supportsTypedArray	Gets or sets a value indicating whether the current browser supports HTML typed arrays.
	supportsWebGL	Gets or sets a value indicating whether the current browser supports WebGL.
	supportsWebWorker	Gets or sets a value indicating whether the current browser supports HTML 5 Web Workers.
	vendor	Gets or sets the current browser vendor.
	version	Gets or sets the current browser version.

LTHelper Class Members

Summary

Public Methods

Public Fields

See Also