Js calculter

Jittery Jaguar answered on July 27, 2022 Popularity 1/10 Helpfulness 1/10

answer Js calculter

Js calculter

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<label>Expression: <input id="expression" value="6 * 4 + 2 ^ 2" /></label>
<pre><code id="result"></code></pre>
<script src="https://cdnjs.cloudflare.com/ajax/libs/mathjs/11.0.1/math.min.js" integrity="sha512-B82WLflI1EQiR9sGbIV1ddGVvK4ghj1xjMShL7YvcOrHjX2qP72lHztT1DxBVPiz1aTR6mOUJbtwj06uadL2GA==" crossorigin="anonymous" referrerpolicy="no-referrer"></script>
<script type="module">
  const input = document.getElementById('expression');
  const output = document.getElementById('result');

  function evaluate () {
    const expression = input.value.trim();
    let result;

    try {
      result = math.evaluate(expression);
    }
    catch (ex) {
      if (ex instanceof Error) result = ex.toString();
      else throw ex;
    }

    output.textContent = result;
  }

  input.addEventListener('input', evaluate);
  evaluate();
</script>
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Popularity 1/10 Helpfulness 1/10 Language javascript

Source: stackoverflow.com

Tags: javascript

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