@danielkalen/simplybind/benchmarks/src/bower_components/aurelia-binding/doc/example/binding-binding-behaviors/update-trigger/app.html

Magically simple, framework-less one-way/two-way data binding for frontend/backend in ~5kb.

<template>
  <div>
    <form>
      <div>
        <label for="firstName">First Name (standard update trigger)</label>
        <input type="text" id="firstName" placeholder="First Name"
               value.bind="firstName">
        <p>${firstName}</p>
      </div>

      <div>
        <label for="lastName">Last Name (updateTrigger:'blur')</label>
        <input type="text" id="lastName" placeholder="Last Name"
               value.bind="lastName & updateTrigger:'blur'">
        <p>${lastName}</p>
      </div>
    </form>
  </div>
</template>