javascript - How to swap an image with another when hovering on the other image? -

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i have 5 small images , 1 image twice size small ones. i'm trying whenever hover on small images big image changes image hovering. having hard time searching methods , functions luck of yet. have

<div class="bigimg">     <img id="image0" src="images/image1.png"> </div> <img id="image1" src="images/image1.png"> <img id="image2" src="images/image2.png"> <img id="image3" src="images/image3.png"> <img id="image4" src="images/image4.png"> <img id="image5" src="images/image5.png">

i trying add function saw somewhere else here 

function mouseover() {     document.getelementbyid("image0").innerhtml = '<"image2.png"/>'; }   function mouseout() {     document.getelementbyid("image0").innerhtml = '<img src="image1.png" />'; }

i wrote img tag as

<img id="image1" onmouseover="mouseover()" onmouseout="mouseout()" src="images/image1.png">

for of images wasn't working. can steer me in right direction, please?

this how did it:

function mouseout() {     document.getelementbyid("image0").src = 'http://lorempixel.com/g/600/600/'; }  function changepic(elem) {     document.getelementbyid("image0").src = elem.src; }

here jsfiddle demo


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