jQuery form validation - simple and lightweight (jquery.form.validation.2.0.0.js)

Demo one:

var options = {
    rules: {
        name: { type: 'text' },
        email: { type: 'email' }
    }
};

$('#form-one').validate(options);

Demo two:

var options2 = {
    rules: {
        name2: { type: 'text', errMsg: 'Enter your name' },
        email2: { type: 'email', errMsg: 'Enter your email' }
    }
};

$('#form-two').validate(options2);

Demo three:

function checkusername(obj){
    if( $('#'+obj.id).val().length >= 5 ) return true;
    else return false;
}

function customError(obj){
    if( obj.isValidField === false ) {
        alert(obj.field.errMsg);
    }
}


var options3 = {
    rules: {
        username: { type: 'text', errMsg: 'Username must be at least 5 character long', customMethod: checkusername, errReplace: customError },
        email3: { type: 'email', errMsg: 'Enter your email' }
    }
};

$('#form-three').validate(options3);

Demo four:

var options4 = {
    rules: {
        name4: { type: 'text', errMsg: 'Enter your name' },
        email4: { type: 'email', errMsg: 'Enter your email' }
    },
    errorReplacement: true,
    onComplete: function(form){
        console.log(form);
    }
};

$('#form-four').validate(options4);

Demo five:

var options5 = {
    rules: {
        name5: { type: 'text', errMsg: 'Enter your name' },
        type: { type: 'text', errMsg: 'Required field' },
        nid: { type: 'text', errMsg: 'Enter your NID', require: { name: 'type', value: 'yes' } }
    },
    onComplete: function(form){
        console.log(form);
    }
};

$('#form-five').validate(options5);

Demo complex

var settings = {
    rules: {
        name6: { type: 'text', errMsg: 'Enter your name' },
        gender: { type: 'radio', errMsg: 'Select your gender' },
        feedback: { type: 'array', errMsg: 'Field requried' },
        agree: { type: 'checkbox', errMsg: 'You must agree with the terms' },
        like: { type: 'array', errMsg: 'Requried' }
    },
    onComplete: function(form){
        console.log(form);
    }
};

$('#form-six').validate(settings);