Then, with all necessary preparations made, we start the utterance being spoken by invoking SpeechSynthesis.speak(), passing it the SpeechSynthesisUtterance instance as a parameter. We set the matching voice object to be the value of the SpeechSynthesisUtterance.voice property.įinally, we set the SpeechSynthesisUtterance.pitch and SpeechSynthesisUtterance.rate to the values of the relevant range form elements. We then use this element's data-name attribute, finding the SpeechSynthesisVoice object whose name matches this attribute's value. You can experiment with these voices on your Mac OS X system by choosing System Preferences, Speech, then clicking the 'Text to Speech' tab. We use the HTMLSelectElement selectedOptions property to return the currently selected element. Next, we need to figure out which voice to use. Listen To Spoken Text On your Mac, choose Apple menu > System Settings, then click Accessibility in the sidebar. ![]() We first create a new SpeechSynthesisUtterance() instance using its constructor - this is passed the text input's value as a parameter. You can find more information on Apples Accessibility VoiceOver page. For iOS you can either triple tap the home button or activate Siri and say, Open VoiceOver. ![]() ![]() We are using an onsubmit handler on the form so that the action happens when Enter/ Return is pressed. The hotkey for starting VoiceOver for all MacOS versions, since OS 10.5, is Command+F5. Next, we create an event handler to start speaking the text entered into the text field. Const colors = const grammar = ` #JSGF V1.0 grammar colors public = $ Speaking the entered text
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