SpeechGrammarList: addFromString() method

{{APIRef("Web Speech API")}}{{deprecated_header}}

The addFromString() method of the {{domxref("SpeechGrammarList")}} interface takes a grammar present in a specific string within the code base (e.g., stored in a variable) and adds it to the SpeechGrammarList as a new {{domxref("SpeechGrammar")}} object.

Syntax

addFromString(string)
addFromString(string, weight)

Parameters

• string
  • : A string representing the grammar to be added.
• weight {{optional_inline}}
  • : A float representing the weight of the grammar relative to other grammars present in the {{domxref("SpeechGrammarList")}}. The weight means the importance of this grammar, or the likelihood that it will be recognized by the speech recognition service. The value can be between 0.0 and 1.0; If not specified, the default used is 1.0.

Return value

None ({{jsxref("undefined")}}).

Specifications

{{Specifications}}

Browser compatibility

{{Compat}}

See also

• Web Speech API