Math.js playground

Test Math.js formulas here. Using math.js v11.5.0 https://mathjs.org/ https://www.npmjs.com/package/mathjs

by Dan Mathisen

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/mathjs/11.5.0/math.js"></script>
<form onsubmit="calculate(event); return false;">
  <p>
    Formula:
    <input
      id="input"
      type="text"
      autocomplete="off"
      style="width: 100%" />
  </p>

  <button type="submit">Calculate</button>

  <p>
    Result:
    <span id="output"></span>
  </p>
</form>

JavaScript

const inputEl = document.getElementById('input');
const outputEl = document.getElementById('output');

function calculate(event) {
  event.preventDefault();

  try {
    //outputEl.textContent = math.evaluate(inputEl.value);
    outputEl.textContent = math.compareNatural("test", "test");
  } catch (e) {
    outputEl.textContent = e.toString();
  }
}