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JavaScript探測CSS動畫是否已經完成的方法
編輯:關於JavaScript     

不啰嗦上代碼:

WN:(function(){
      var el = $('<fakeelement>'),
        transition="transition",
        transitionEnd,
        animEvent={'start':null,'iteration':null,'end':null},
        vendorPrefix;
        
      transition = transition.charAt(0).toUpperCase() + transition.substr(1);
      
      vendorPrefix=(function(){//現在的opera也是webkit
        var i=0, vendor=["Moz", "Webkit", "Khtml", "O", "ms"];
        while (i < vendor.length) {
          if (typeof el.css(vendor[i] + transition) === "string"){
            return vendor[i];
          }
          i++;
        }
        return false;
      })();
      
      transitionEnd=(function(){
        var transEndEventNames = {
          WebkitTransition : 'webkitTransitionEnd',
          MozTransition  : 'transitionend',
          OTransition   : 'oTransitionEnd otransitionend',
          transition    : 'transitionend'
        }
        for(var name in transEndEventNames){
          if(typeof el.css(name) === "string"){
            return transEndEventNames[name];
          }
        }
      })();
      
      animEvent.end=(function(){
        var animEndEventNames = {
          WebkitAnimation : 'webkitAnimationEnd',
          animation   : 'animationend'
        }
        for(var name in animEndEventNames){
          if(typeof el.css(name) === "string"){
            return animEndEventNames[name];
          }
        }
      })();
      
      animEvent.iteration=(function(){
        var animIterationEventNames = {
          WebkitAnimation : 'webkitAnimationIteration',
          animation   : 'animationiteration'
        }
        for(var name in animIterationEventNames){
          if(typeof el.css(name) === "string"){
            return animIterationEventNames[name];
          }
        }
      })();
      
      animEvent.start=(function(){
        var animStartEventNames = {
          WebkitAnimation : 'webkitAnimationStart',
          animation   : 'animationstart'
        }
        for(var name in animStartEventNames){
          if(typeof el.css(name) === "string"){
            return animStartEventNames[name];
          }
        }
      })();
      
      return {
        called:false,
        addTranEvent:function(elem,fn,duration){
          var self = this;
          var fncallback = function(){
            if(!self.called){
              fn();
              self.called = true;
            }
          };
          function hand(){  
            elem.on(transitionEnd,function(){
              //elem.unbind(transitionEnd,arguments.callee);
              fncallback();
            });
          }
          setTimeout(hand,duration);
        },
        addAnimEvent:function(elem,name,fn){
          elem.on(animEvent[name],fn);
        },      
        removeAnimEvent:function(elem,name,fn){
          elem.unbind(animEvent[name],fn);
        },
        setStyleAttribute:function(elem,val){
          if(Object.prototype.toString.call(val) === "[object Object]"){
            for(var name in val){
              if(/^transition|animation|transform/.test(name)){
                var styleName=name.charAt(0).toUpperCase() + name.substr(1);
                elem.css(vendorPrefix+styleName,val[name]);
              }else{
                elem.css(name,val[name]);
              }
            }
          }
        }
      };
    })(),

以上就是本文的全部內容,希望對大家的學習有所幫助,也希望大家多多支持。

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