Replace html tag attribute in a string using AngularJS

Question

I have a string containing html tags :

var str =  "<div><p></p><p><i>blabla</i></p><p><i><b>blaaaaaablaaaaa</b></i></p><iframe src='urlAAA' height='400' width='800'></iframe><p></p><p><sub>hello blabla</sub></p><p><br></p><iframe src='urlBBB' height='400' width='800'></iframe></div>";

I want to replace each <iframe> tag with <button> tag in this way:

"<button type="button">Click Me for iframe n°1 !</button>" for first iframe

"<button type="button">Click Me for iframe n°2 !</button>" for second iframe

etc....

I'm using angularJS. I think the solution is to do something like this :

var ele = angular.element(str);
ele.replaceWith(function(index){
        return "<button type='button'>Click Me for iframe n°" + index + " !</button>";
});

But I don't know how to specify this for <iframe> tags

Any suggestion ? Thanks !

EDIT :

Here a new example, what I want to do :

In var str I have 2 <iframe> tags with different src attribute value :

the first iframe has src='urlAAA' the second src='urlBBB'

I want to get access to the src attribute and replace it with an another url.

function editFrameAttributes(str){
      var array =[];
      var eles= angular.element(str).find('iframe');
      [].forEach.call(eles, function (ctl) {
        array.push(ctl.outerHTML)
      });
      Object.keys(array).forEach(function (key) {
        var tempEl = document.createElement('div');
        tempEl.innerHTML = array[key];

        tempEl.childNodes[0].attributes['src'].value = "www.something.com";
        tempEl.childNodes[0].attributes['width'].value = '1234';

        array[key] = tempEl.innerHTML;
      });
      //then I don't know how to replace old iframes by new iframes in 'str' 

      return newStr;
    }

The output should look like this :

var str =  "<div><p></p><p><i>blabla</i></p><p><i><b>blaaaaaablaaaaa</b></i></p><div><iframe src='www.something.com' height='400' width='1234'></iframe></div><p></p><p><sub>hello blabla</sub></p><p><br></p><div><iframe src='www.something.com' height='400' width='1234'></iframe></div></div>";

Maybe new DOMParser? (I'm not familiar with using it though so I haven't given this as an answer.) — gcampbell
– gcampbell, Commented Jun 9, 2016 at 9:11
you get the iframe element? and your function doesnt working? — Erez
– Erez, Commented Jun 9, 2016 at 10:01

Naeem Shaikh · Accepted Answer · 2016-06-13 13:54:21Z

1

See this fiddle

As you are using a string to generate angular element, You can simply replace the <iframe> with <button> in the string itself.

Example:

$scope.str='<iframe>some iframe text<span>span content</span><span>more span content</span></iframe>';

$scope.newStr= $scope.str.replace('<iframe>','<button>').
replace('</iframe>','</button>')

answered Jun 13, 2016 at 13:54

Naeem Shaikh

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Comments

Emidomenge · Accepted Answer · 2016-06-15 11:48:18Z

1

Finally, here the solution I found myself :

function editFrameAttributes(str,newSrc){
      var eles = angular.element("<div>"+str+"</div>");
      eles.find('[src]').each(function() {
        this.src = newSrc;
      });
      return eles.html();
    }

answered Jun 15, 2016 at 11:48

Emidomenge

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