Updated BEM form mark-up,

Before (attempting) to use BEM, I'd mark my forms up something like this:

<form> 

    <h3 class="title">Form Heading <small>(if small tag is added)</small></h3>
    <p>Short paragraph of text...</p>

    <div class="form-group">
        <label class="label">Username <em>*</em></label>
        <div class="form-controls">
            <input type="text" />
        </div>
    </div>
    <div class="form-group error">
        <label class="label">Email address <em>*</em></label>
        <div class="form-controls">
            <input type="text" />
        </div>
    </div>
    <div class="form-group">
        <label class="label">Label</label>
        <div class="form-controls">
            <input type="text"  placeholder="" />
        </div>
    </div>
    <div class="form-group">
        <label class="label">Label</label>
        <div class="form-controls">
            <label class="radio"><input type="radio" name="radio" checked="checked" /> Option One</label>
            <label class="radio"><input type="radio" name="radio" /> Option Two</label>
        </div>
    </div>

</form>

It seems, obvious to use form__group instead of form-group and form__controls instead of form-controls. Using elements like this, the form would NEED a class of form on it - otherwise it makes no sense? Seems a bit strange on a default element though, I've not used <ul class="list"> for example, just <ul class="list--bordered"> for example.

I've created some quick, updated mark-up below, would this be acceptable?

<form class="form"> 

    <h3 class="form__title">Form Heading <small>(if small tag is added)</small></h3>
    <p>Short paragraph of text...</p>

    <div class="form__group">
        <label class="form__group-title">Username <em>*</em></label>
        <div class="form__controls">
            <input type="text" />
        </div>
    </div>
    <div class="form__group error">
        <label class="form__group-title">Email address <em>*</em></label>
        <div class="form__controls">
            <input type="text" />
        </div>
    </div>
    <div class="form__group">
        <label class="form__group-title">Label</label>
        <div class="form__controls">
            <input type="text"  placeholder="" />
        </div>
    </div>
    <div class="form__group">
        <label class="form__group-title">Label</label>
        <div class="form__controls">
            <label class="form__radio"><input type="radio" name="radio" checked="checked" /> Option One</label>
            <label class="form__radio"><input type="radio" name="radio" /> Option Two</label>
        </div>
    </div>

</form>

Thanks again!

9 years ago

tadatuta

Hi!

The code you posted is quite fine.

But I'd argue about <ul class="list--bordered"> without list class. Modifiers are to modify something. They shouldn't live by themselves.

And the main reason is that they are about state of a components as well. So you may add/remove/toggle modifiers in runtime via JS (e.g. to make some block invisible you may add --hidden modifier and then remove it again).

Consider modifiers as HTML attributes: they can change the way a tag works but they are useless without tag itself.

9 years ago

moymadethis

Great, so both are pretty much correct? It's all dependant on if a class of form is added or not. What would you recommend? I normally just style <form> rather than a class. Would you add a generic class just so classes like form__group could be used or would you stick with form-group (without a parent class of .form).

I suppose it's the same for lists too so maybe it's better to use list-bordered if there will be no styling on a class of .list as the tag <ul> is style?

9 years ago

tadatuta

We do not use tag selectors at all. But that is mostly because we use a template engine which works in terms of blocks, elements and modifiers:

block('form').tag()('form');

So we initially have form block (with proper class) and just then we define a tag for it.

The same is true for our JS framework which again matches blocks not tags. And as so it's quite natural to use class selectors everywhere.

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