随笔分类 -  Web前端

摘要：//Inspiredbybase2andPrototype(function(){varinitializing=false,fnTest=/xyz/.test(function(){xyz;})?/\b_super\b/:/.*/;//ThebaseClassimplementation(doesnothing)this.Class=function(){};//CreateanewClassthatinheritsfromthisclassClass.extend=function(prop){var_super=this.prototype;//Instantiateabaseclass 阅读全文

摘要：1 //取窗口滚动条高度2functiongetScrollTop(){3varscrollTop=0;4if(document.documentElement&&document.documentElement.scrollTop){5scrollTop=document.documentElement.scrollTop;6}7elseif(document.body){8scrollTop=document.body.scrollTop;9}10returnscrollTop;11}121314//取窗口可视范围的高度15functiongetClientHeight() 阅读全文