Kitkat  |  4.4.4_r1
Html程序  |  50行  |  844 B 

<!DOCTYPE HTML>
<html i18n-values='dir:textdirection;'>
<style>

html, body {
  margin: 0;
  overflow: hidden;
}

input {
  bottom: 0;
  left: 0;
  margin: 0;
  position: absolute;
  right: 0;
  top: 0;
}

</style>

<body>
  <input>
</body>

<script>

var textfield = document.querySelector('input');
textfield.addEventListener('input', sendTextfieldValueToBrowser);

/**
 * Sends the textfield value to the browser. Called whenever the user presses a
 * key. We first check if the key-press has really changed the text, then send
 * the new value to the browser if so.
 */
function sendTextfieldValueToBrowser() {
  chrome.send('textfieldValue', [textfield.value]);
}

/**
 * Sets textfield value
 * @param {string} value
 */
function setTextfieldValue(value) {
  textfield.value = value;
  sendTextfieldValueToBrowser();
}

</script>
</html>