Skip to content

Instantly share code, notes, and snippets.

@alanerzhao

alanerzhao/base.js

Created November 25, 2014 02:07
Show Gist options

  • Select an option

    Learn more about clone URLs
  • Save alanerzhao/2cded6ee0479a54f6a57 to your computer and use it in GitHub Desktop.

Select an option

Learn more about clone URLs
Save alanerzhao/2cded6ee0479a54f6a57 to your computer and use it in GitHub Desktop.
Download ZIP

Revisions

  1. alanerzhao created this gist Nov 25, 2014.
    106 changes: 106 additions & 0 deletions base.js
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,106 @@
    /**
    * @file base.js
    * @brief ui dom handle
    * @author baozi
    * @version
    * @date 2014-11-19
    */

    define("base",["jquery"],function(require, exports, module) {

    var $ = require("jquery");
    var base = {
    placeholder : function (dom,txt) {

    $(dom).on('focus', function() {
    $(this).css("color","#000")
    if(txt) {
    $(this).data('defaultText', txt);
    }
    if (!$(this).data('defaultText')) {
    $(this).data('defaultText', $(this).val());
    }
    if ($(this).val()==$(this).data('defaultText')) {
    $(this).val('');
    }

    });
    $(dom).on('blur', function() {
    $(this).css("color","#ccc")
    if ($(this).val()=='') {
    $(this).val($(this).data('defaultText'));
    }
    });
    },
    active: function (dom,child,cur) {
    var hash = location.hash;
    $(dom).on("click",child,function(event) {
    $(this).parent().siblings().find(child).removeClass(cur);
    $(this).addClass(cur);
    });
    $(dom).find(child).each(function(idx,obj) {
    //TODO 处理hash
    if ($(obj).attr("href") == hash) {
    $(obj).addClass(cur)
    }
    })
    },
    digger: function (obj,dis) {
    var artbtn = ".art-pinglun-btn";
    var diggercont = ".J_digger_cont";

    $(obj).on("click",".art-dianping",function() {
    $(this).parent(artbtn).siblings(diggercont).addClass("J_cont_show");
    })
    },
    //滚动处理
    anchor: function (_startElem, _endElem, _speed) {
    var item = $(_endElem);
    $(_startElem).each(function(){
    var that = $(this);
    that.click(function () {
    index = that.index();
    $('html,body').animate({
    scrollTop: item.eq(index).offset().top
    },_speed || 0);
    })
    })
    },
    scrollTop: function () {
    var linkTop = $("<a class='feed-scroll-top' href='javascript:;'></a>");
    $("body").append(linkTop);
    var winHeight = $(window).height();
    $(window).on("scroll",debounce(function () {
    var top = $(this).scrollTop();
    if(top > winHeight) {
    linkTop.fadeIn();
    } else {
    linkTop.fadeOut();
    }
    },300))
    linkTop.click(function(){
    $('html, body').animate({scrollTop : 0},800);
    return false;
    });
    }
    };
    // Underscore help
    function debounce(func, wait, immediate) {
    var timeout;
    return function() {
    var context = this, args = arguments;
    var later = function() {
    timeout = null;
    if (!immediate) func.apply(context, args);
    };
    var callNow = immediate && !timeout;
    clearTimeout(timeout);
    timeout = setTimeout(later, wait);
    if (callNow) func.apply(context, args);
    };
    }

    if (typeof module != "undefined" && module.exports) {
    module.exports = base;
    }
    });