Answers for "javascript listen to dom add children"

0

how to get attr in vuejs

<script src="https://unpkg.com/vue"></script>

<div id="app">
  <my-comp my-attr="Any value"></my-comp>
</div>

<script>
  Vue.component('my-comp', {
    template: '<div>aaa</div>',
    created: function () {
      console.log(this.$attrs['my-attr']) // And here is - in $attrs object
    }
  })

  new Vue({
    el: '#app'
  })
</script>
Posted by: Guest on February-13-2020
0

js listen localstorage change

var originalSetItem = localStorage.setItem;

localStorage.setItem = function(key, value) {
  var event = new Event('itemInserted');

  event.value = value; // Optional..
  event.key = key; // Optional..

  document.dispatchEvent(event);

  originalSetItem.apply(this, arguments);
};

var localStorageSetHandler = function(e) {
  alert('localStorage.set("' + e.key + '", "' + e.value + '") was called');
};

document.addEventListener("itemInserted", localStorageSetHandler, false);

localStorage.setItem('foo', 'bar'); // Pops an alert
Posted by: Guest on February-07-2020

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