Tips for properly capitalizing the first letter of each word connected through ng-model

After receiving a JSON response from an API, I am binding it to form elements using ng-model.

The data returned from the API is in UPPERCASE. How can I apply a filter or CSS to capitalize the first letter of each word?

<input type="text" ng-model="string">

I want to make sure that the string bound by the value obtained through the API in the controller is converted to camel case.

Answer №1

Utilize angular's lowercase filter and then apply text transformation using CSS.

var app = angular.module('myApp', []);
app.controller('myCtrl', function($scope) {
  $scope.text = 'LOREM IPSUM DOLOR SIT AMET, DUIS VIDIT DEFINITIONES MEL NE'
});
input {
  text-transform: uppercase;
  padding:15px;
}
<script src="//code.angularjs.org/snapshot/angular.min.js"></script>

<div ng-app=myApp ng-controller=myCtrl>
  <input type=text ng-model="text | lowercase" >
</div>

Answer №2

This efficient code snippet can be utilized for your needs.

 var application = angular.module('application', []);
 application.controller('MainController', function ($scope) {
   $scope.message = 'welcome to the platform.';
  });

application.filter('convertCase', function() {
   return function(input) {
     return (!!input) ? input.charAt(0).toUpperCase() + 
     input.substr(1).toLowerCase() : '';
  }
});

Your page layout should resemble the following:

<p><b>My Content:</b> {{message | convertCase}}</p>

Answer №3

If you prefer using pure JavaScript, here's a simple solution:

function makeFirstLetterUpperCase(str){
    if(!str || typeof str !== 'string')
        return ""

    var newStr = str; 
    var firstChar = str[0];
    newStr = newStr.toLowerCase().slice(1);

    return [firstChar.toUpperCase(), newStr].join('');
}

Alternatively, you can utilize an AngularJS filter for this task

angular
    .module('app')
    .filter('makeFirstLetterUpperCase', makeFirstLetterUpperCase)

In the above code, makeFirstLetterUpperCase is essentially the same function as mentioned before. This enables you to apply the transformation directly in your web application:

<span>{{::vm.text | makeFirstLetterUpperCase}}</span>

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