zoukankan      html  css  js  c++  java
  • 简单的原生js 模拟jquery方法

    仓促的模拟敲一下就上传来保存了。

    Object.prototype.fadeIn = function(speed) {
    var that = this;
    setTimeout(function() {
    that.style.display = "block"
    }, speed)
    return that;
    }

    //原生模拟jq中 fadeOut()方法;
    Object.prototype.fadeOut = function(speed) {
    var that = this;
    setTimeout(function() {
    that.style.display = "none"
    }, speed)
    return that;
    }

    //原生模拟jq中 hasClass()方法;
    Object.prototype.hasClass = function(str) {
    var obj = this;
    if(str == "" || obj === null || obj.length === 0) {
    return false;
    }
    if(obj.length > 1) {
    return obj[0].classList.contains(str);
    } else {
    return obj.classList.contains(str);
    }
    }

    //原生模拟jq中 addClass()方法;
    Object.prototype.addClass = function(className) {
    var obj = this;
    if(className == "" || obj === null || obj.length === 0) {
    return false;
    }
    if(obj.length > 1) {
    [].forEach.call(obj, function(v, i) {
    v.classList.add(className);
    })
    } else {
    obj.classList.add(className);
    }

    return obj;
    }

    //原生模拟jq中 removeClass()方法;
    Object.prototype.removeClass = function(className) {
    var obj = this;
    if(className == "" || obj === null || obj.length === 0) {
    return false;
    }
    if(obj.length > 1) {
    [].forEach.call(obj, function(v, i) {
    v.classList.remove(className);
    })
    } else {
    obj.classList.remove(className);
    }

    return obj;
    }

    //原生模拟jq中 $符号;
    function $(str) {
    if(typeof(str) !== "string" && (str === window || str === document)) {
    return str;
    }
    if(str.trim() === "") {
    return false;
    }
    if(str.trim().substr(0, 1) == "#") {
    return document.getElementById(str.replace(/#/, ""));
    } else {
    return [].map.call(document.querySelectorAll(str), function(v, i) {
    return v;
    })
    }
    }

    有什么差漏或不足,请指正下!

  • 相关阅读:
    docker on spark
    Install Docker Mac OS X
    HBase 1.1.1 发布(分布式数据库)
    spark streaming原理
    spark RDD的原理
    spark implementation hadoop setup,cleanup
    最近hadoop遇到的issuses
    Spark的日志配置
    大数据系列修炼-Scala课程11
    大数据系列修炼-Scala课程10
  • 原文地址:https://www.cnblogs.com/leehf/p/8042141.html
Copyright © 2011-2022 走看看