,
Let's build a plugin that moves the text from the emptyText config into the field value, clears it on focus, and restores it on blur if empty (often called a "ghost" or "placeholder" behavior).
init: function(form) this.form = form; form.on('beforeaction', this.onBeforeSubmit, this); , extjs plugins
config: interval: 5000 // Default to 5 seconds ,
);
Sencha Ext JS stands as a heavyweight in the world of enterprise-grade JavaScript frameworks, particularly for its out-of-the-box UI components. However, even with its extensive library, developers often need to inject specialized behavior into existing components without creating messy, deep-nested subclasses. This is where become essential. What are ExtJS Plugins?
destroy: function() clearInterval(this.timer); this.callParent(); , Let's build a plugin that moves the
this.fireEvent('validationsuccess', this);