zoukankan      html  css  js  c++  java
  • 基础

    /*查询选择器*/
    $(function () {
        var aSample = document.querySelectorAll(".sample");
        var oSample = document.querySelector(".sample");
        for(var i= 0,l=aSample.length;i<l;i++){
            aSample[i].addEventListener("click", function (event) {
                event.preventDefault();
                funClearClass(aSample,"active");
                funSetClass(this,"active");
            });
        }
        function funSetClass(oDiv,sClassName) {
            if (!sClassName)    return;
            var isExist = oDiv.classList.contains(sClassName);
            if (!isExist)    oDiv.classList.add(sClassName);
        }
        function funClearClass(aDiv,sClassName) {
            if (!sClassName)    return;
            var isExist = true;
            for(var i= 0,l=aDiv.length;i<l;i++){
                isExist = aDiv[i].classList.contains(sClassName);
                if (isExist)    aDiv[i].classList.remove(sClassName);
            }
        }
    
    });
    

      

    /*查询选择器*/
    $(function () {
        var aSample = document.querySelectorAll(".sample");
        for(var i= 0,l=aSample.length;i<l;i++){
            aSample[i].addEventListener("click", function (event) {
                event.preventDefault();
             
                 isExist = aDiv[i].classList.contains(sClassName);
                 aDiv[i].classList.toggle("normal",!isExist);
            });
        }
    });
    

      

     
     
     

     

     

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  • 原文地址:https://www.cnblogs.com/WeWeZhang/p/5809054.html
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