How to read the text in a input tag in a p tag?

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HTML:

<div class="container">
<p class="section-description" id="txt">Today I went to the zoo. I saw a(n) <input placeholder="noun"> <input placeholder="adjective"> jumping up and down in its tree. He <input placeholder="verb, past tense"> <input placeholder="adverb"> through the large tunnel that led to its <input placeholder="adjective"> <input placeholder="noun">. I got some peanuts and passed them through the cage to a gigantic gray <input placeholder="noun"> towering above my head. Feeding that animal made me. </p>
</div>

JS:

let synth = window.speechSynthesis;

let inputTxt = document.getElementById('txt');

function speak() {
if (synth.speaking) {
    console.error('speechSynthesis.speaking');
    return;
}
    let utterThis = new SpeechSynthesisUtterance(inputTxt.innerHTML);

    let selectedOption = voiceSelect.selectedOptions[0].getAttribute('data-name');
    for (i = 0; i < voices.length; i++) {
        if (voices[i].name === selectedOption) {
            utterThis.voice = voices[i];
        }
    }
    synth.speak(utterThis);
}

When I input some text into the input box the code still reads “placeholder…”, How do I make the code to speak the inputted text?

Answer

You are grabbing the innerHTML which isn’t going to read text, it’s going to read html.

In order to concatenate your input elements and your text, you’re actually going to need to combine the two somewhere in your code. Probably within the speak function.

The simplest way to do this is probably the following:

let compiledStr = "";
inputTxt.childNodes.forEach(i =>
compiledStr += (i.nodeType === 3) ? 
  i.textContent : 
  i.value);

What the above does is iteratate over the child nodes of the inputTxt element. It grabs the textContent (plain text) of any text nodes or the value of any element nodes and stitches them together in order.

A Simple Example To See How This Works be sure to click the “compile” button below the input sentence

let synth = window.speechSynthesis;
let inputTxt = document.getElementById('txt');

document.querySelector("button").addEventListener("click", function() {
  let compiledStr = "";
  inputTxt.childNodes.forEach(i => compiledStr += (i.nodeType === 3) ? i.textContent : i.value);

  console.log(compiledStr);
});
<div class="container">
  <p class="section-description" id="txt">Today I went to the zoo. I saw a(n) <input placeholder="noun" id="noun1"> <input placeholder="adjective" id="adjective1"> jumping up and down in its tree. He <input placeholder="verb, past tense" id="verb1"> <input placeholder="adverb" id="adverb1">    through the large tunnel that led to its <input placeholder="adjective" id="adjective2"> <input placeholder="noun" id="noun2">. I got some peanuts and passed them through the cage to a gigantic gray <input placeholder="noun" id="noun3"> towering above my head. Feeding that animal made me. </p>
</div>
<hr>
<button>Click Me to Compile</button>

The following should work for you using your current code:

let synth = window.speechSynthesis;
let inputTxt = document.getElementById('txt');


function speak() {
let inputTxt = document.getElementById('txt');

let compiledStr = "";
inputTxt.childNodes.forEach(i => compiledStr += (i.nodeType === 3) ? i.textContent : i.value);

if (synth.speaking) {
    console.error('speechSynthesis.speaking');
    return;
}
    let utterThis = new SpeechSynthesisUtterance(compiledStr);

    let selectedOption = voiceSelect.selectedOptions[0].getAttribute('data-name');
    for (i = 0; i < voices.length; i++) {
        if (voices[i].name === selectedOption) {
            utterThis.voice = voices[i];
        }
    }
    synth.speak(utterThis);
}
<div class="container">
<p class="section-description" id="txt">Today I went to the zoo. I saw a(n) <input placeholder="noun" id="noun1"> <input placeholder="adjective" id="adjective1"> jumping up and down in its tree. He <input placeholder="verb, past tense" id="verb1"> <input placeholder="adverb" id="adverb1"> through the large tunnel that led to its <input placeholder="adjective" id="adjective2"> <input placeholder="noun" id="noun2">. I got some peanuts and passed them through the cage to a gigantic gray <input placeholder="noun" id="noun3"> towering above my head. Feeding that animal made me. </p>
</div>


Source: stackoverflow