jquery-check-all.min.js

(function(b,g,e){function d(a,c){this.$el=b(a);this.options=b.extend({},f,this.$el.data(),c);this.init()}var f={container:e,childCheckboxes:"input[type=checkbox]",showIndeterminate:!1};d.prototype.init=function(){this._checkChildren();var a=this;this.$el.on("change",function(c){b(a.options.childCheckboxes,a.options.container).not(a.$el).prop("checked",b(this).prop("checked"))});b(this.options.container).on("change",a.options.childCheckboxes,function(b){a._checkChildren()})};b.fn.checkAll=function(a){return this.each(function(){b.data(this,
"plugin_checkAll")||b.data(this,"plugin_checkAll",new d(this,a))})};d.prototype._checkChildren=function(){var a=b(this.options.childCheckboxes,this.options.container).not(this.$el).length,c=b(this.options.childCheckboxes,this.options.container).filter(":checked").not(this.$el).length;this.$el.prop("indeterminate",this.options.showIndeterminate&&0<c&&c<a);this.$el.prop("checked",c===a&&0!==a)}})(jQuery,window,document);