Creating an Ext JS Login/Registration Form in 3 Easy Steps

ExtJS includes form components that allow you to quickly and easily create fully functional and validated forms. In this example, we show how to create a login/registration form with the following features in minutes using the Ext Js Javascript Web Framework, which will greatly assist you in developing HTML5 applications.

• Adding textfield, numberfield, datefield
• Adding form validation (email, password…)
• Displaying form error messages
• Resetting values
• Processing form values

Login Form

A simple example demonstrating how to create a login form.

Step 1: Create form configuration

{
	xtype: 'formpanel',
	title: 'Form login example',
 
	bodyPadding: 20,
	width: 500,
 
	bbar: ['->',{
    	   text: 'Login',
    	   handler: 'onLogin'
	}],
 
	items: [{
    	   xtype: 'textfield',
    	   label: 'User ID',
    	   name: 'user',
    	   placeholder: 'user id',
	}, {
    	xtype: 'passwordfield',
    	   label: 'Password',
    	   name: 'pass',
    	   placeholder: 'password'
	}, {
    	   xtype: 'checkbox',
    	   boxLabel: 'Remember me',
    	   name: 'remember'
	}]
}

Step 2: Add form validation

        //Required field
        allowBlank: false,
        required: true,
        //Custom validator
        validators: function (value) {
	return /^[a-zA-Z]{8,}$/.test(value) ? true : 'Your password must contain at least 8 characters';
}

Step 3: Display error messages

errorTip: {
	anchor: true,
	align: 'l-r?'
},
errorTarget: 'under'

Sencha Fiddle:

Registration Form

A simple example of a registration form with field mask, email validation or selectfield.

Step 1: Email validation

{
    xtype: 'emailfield',
    label: 'Email',
    name: 'email',
    allowBlank: false,
    required: true,
    //Email validation
    validators: 'email',
    errorTip: {
        anchor: true,
        align: 'l-r?'
    },
    errorTarget: 'under'
}

Step 2: Field Mask

{
    //Field mask
    label: 'Phone Number',
    name: 'phone',
    inputType: 'tel',
    autoComplete: true,
    autoHideInputMask: false,
    inputMask: '(999) 999-9999'
}

Step 3: Selectfield

{
	//Multiple selection
	xtype: 'selectfield',
	label: 'Skills',
	name: 'skills',
	multiSelect: true,
	autoSelect: false,
	clearable: true,
	options: [
    	'ExtJS',
    	'Javascript',
    	'CSS',
    	'Git',
    	'Java',
    	'PHP',
    	'COBOL',
    	'Node.js',
    	'JSON',
    	'HTML5',
    	'RIA',
    	'OOP',
    	'Scrum',
    	'REST',
    	'MVC'
	],
	chipView: {
    	plugins: {
            dataviewtip: {
                align: 'tl-br',
                constrainToView: false,
                delegate: '.x-close-el',
                allowOver: true,
                anchor: false,
                anchorToTarget: false,
                bind: '{record}',
                tpl: 'Remove skill {text}'
            }
    	}
	}
}

Sencha Fiddle:

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