Adding Buttons to slide, HTML and Javascript -

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i have found following code

how 1 go adapting code in form of adding buttons go forwards , backwards in slideshow.

explaining:

slide forward:

make button following onclick event

<button onclick="slideit()">forward</button>

if don't want slide change every 2 , halve seconds, put // before line:

settimeout("slideit()",2500);

or delete it.

slide backward:

<button onclick="slideback()">back</button>

function sliding backward:

var numslides = ;  function slideback() {    document.images.slide.src = eval("image"+step+".src");    if (step > 1) {       step--;    }    else {       step=numslides;    }  }

you need set numslides number of slides have.

summary:

html:

<button onclick="slideback()">back</button>     <button onclick="slideit()">forward</button>

script:

var numslides = ; var autoplay= ;  function slideback() {    document.images.slide.src = eval("image"+step+".src");    if (step > 1) {       step--;    }    else {       step = numslides;    }  }  function slideit() {    var step=1;    document.images.slide.src = eval("image"+step+".src")    if (step < numslides) {       step++    }    else {       step = 1    }    if (autoplay == true) {    settimeout("slideit()",2500)    } }

set autoplay true/false autoplay, set numslides number of slides


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