Unable to adjust height in AngularJS

Question

Unable to adjust height in AngularJS

I'm attempting to adjust the size of a textarea using AngularJS within a directive. I attach an attribute auto-resize to my textarea and define the directive as follows:


app.directive('autoResize', function() {
  return {
    restrict: 'A',
    //scope: {},
    replace: false,
    link: function(scope, element, attrs) {
      element.css({
        'overflow': 'hidden',
        'color': 'red',
        'height': '50px'
      });
    }
  }
}

The styles for color and overflow are applied successfully to the textarea, but the height remains unchanged at 50px.

If you have any insights or suggestions, they would be greatly appreciated.

css angularjs

Answer 1

Answer №1

Perhaps this directive could be the solution you're seeking :)

Check out this codepen to see it in action: https://codepen.io/benshope/pen/xOPvpm

app.directive('expandingTextarea', function () {
    return {
        restrict: 'A',
        controller: function ($scope, $element, $attrs, $timeout) {
            $element.css('min-height', '0');
            $element.css('resize', 'none');
            $element.css('overflow-y', 'hidden');
            setHeight(0);
            $timeout(setHeightToScrollHeight);

            function setHeight(height) {
                $element.css('height', height + 'px');
                $element.css('max-height', height + 'px');
            }

            function setHeightToScrollHeight() {
                setHeight(0);
                var scrollHeight = angular.element($element)[0]
                  .scrollHeight;
                if (scrollHeight !== undefined) {
                    setHeight(scrollHeight);
                }
            }

            $scope.$watch(function () {
                return angular.element($element)[0].value;
            }, setHeightToScrollHeight);
        }
    };
});

Answer 2

Perhaps this directive could be the solution you're seeking :)

Check out this codepen to see it in action: https://codepen.io/benshope/pen/xOPvpm

app.directive('expandingTextarea', function () {
    return {
        restrict: 'A',
        controller: function ($scope, $element, $attrs, $timeout) {
            $element.css('min-height', '0');
            $element.css('resize', 'none');
            $element.css('overflow-y', 'hidden');
            setHeight(0);
            $timeout(setHeightToScrollHeight);

            function setHeight(height) {
                $element.css('height', height + 'px');
                $element.css('max-height', height + 'px');
            }

            function setHeightToScrollHeight() {
                setHeight(0);
                var scrollHeight = angular.element($element)[0]
                  .scrollHeight;
                if (scrollHeight !== undefined) {
                    setHeight(scrollHeight);
                }
            }

            $scope.$watch(function () {
                return angular.element($element)[0].value;
            }, setHeightToScrollHeight);
        }
    };
});

Answer 3

Answer №2

It is recommended to specify the rows attribute for a textarea instead of adjusting the height using CSS.

app.directive('autoResize',function(){
return {
            restrict: 'A',
            //scope: {},
            replace: false,
            link: function(scope, element, attrs) {
                    element.css({
                        'overflow': 'hidden',
                        'color': 'blue'
                    });
                    element.attr("rows", 6);
                }

            }
        }

Answer 4

It is recommended to specify the rows attribute for a textarea instead of adjusting the height using CSS.

app.directive('autoResize',function(){
return {
            restrict: 'A',
            //scope: {},
            replace: false,
            link: function(scope, element, attrs) {
                    element.css({
                        'overflow': 'hidden',
                        'color': 'blue'
                    });
                    element.attr("rows", 6);
                }

            }
        }

Answer 5

Answer №3

To manipulate CSS attributes at the DOM level, use 'style' instead of 'css()'. If you are using jQuery, you can utilize the '.css()' method. Give this a try in your directive:

element.style.height = '50px';
element.style.overflow = 'hidden';
element.style.color = 'red';

Check out more information here.

Answer 6

To manipulate CSS attributes at the DOM level, use 'style' instead of 'css()'. If you are using jQuery, you can utilize the '.css()' method. Give this a try in your directive:

element.style.height = '50px';
element.style.overflow = 'hidden';
element.style.color = 'red';

Check out more information here.

Unable to adjust height in AngularJS

Answer №1

Answer №2

Answer №3

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