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Javascript moves the mouse up and the small triangle slider slowly follows the effect_javascript skills

WBOYOriginal: 2016-05-16 17:35:171653browse

Let’s take a screenshot first.
Javascript moves the mouse up and the small triangle slider slowly follows the effect_javascript skills
Move the mouse to the corresponding category, and the small red triangle below will automatically follow, slowly.
It doesn’t matter how many there are.
javascript code:

Copy code The code is as follows:

 
function changeCoord(id, left ) { 
$$(id).style.left = left; 
} 
function $$(id) { 
return document.getElementById(id); 
} 
function $$$(id) { 
return document.getElementsByClassName(id)[0]; 
} 
function indexOf(arry, obj) { 
for (var i = 0; i < arry .length; i ) { 
if (obj == arry[i]) { 
return i; 
} 
}; 
} 
window.onload = function() { 
//Register events for all sliders on the page
//products-box-center parent container object

var obj = document.getElementsByClassName('products-box-center'); 
for(var i=0;itry{ 
var base=obj[i].getElementsByClassName('products-box-center-title')[0]; //Get the title of each item 
var elems=base.getElementsByClassName('products-items-title'); 
for(var j=0;jvar elem =elems[j]; 
elem.onmousemove=function(){ 
//Get the parent container of the current object’s parent container
var baseElem=this.parentElement.parentElement; 
var baseIndex=indexOf (obj,baseElem) 1; 

//Get the coordinates of the current object
var left = this.offsetLeft; 

//Get the corresponding slider object
var slider= $$('products-triangle-' baseIndex); 

//Change the coordinates of the slider
slider.style.left = left "px"; 
//Change the current object and other objects Color
this.style.color = "red"; 
//Get all elements under the current parent container
var notes=this.parentElement.getElementsByClassName('products-items-title'); 
for(var k=0;kif(this!=notes[k]) 
notes[k].style.color="#666"; 
} 

}; 
} 

} 
catch(e){ 
alert(e); 
} 
}; 
} 

html code:

Copy code The code is as follows:

Latest Products

Notebook

< /div>

Digital Video

Accessories

Office Printing

< img src="img/pc.jpg"/>

LG IPS237L-BN 23-inch IPS monitor

￥1299.00

The above html is part of it. You can use el expression to loop through it and create more. . .
It took one morning to make.

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