<p class="example">i want to split this paragraph into
words and fade them in one by one</p>
the jquery/js:
$(document).ready(function() {
var $txt = $(".example")
,$words = $txt.text()
,$splitWords = $words.split(" ");
$txt.hide();
for(i = 0; i < $splitWords.length; i++){
// i want fade in each $splitWords[i]
//$splitWords[i].fadeIn(.... - i tried this doesnt work
}
});
im trying to split the paragraph into words, and fade them in one by one, thier might be an easier way to do this without splitting the words, please shed some light on this. thanks
<p class="example">i want to split this paragraph into
words and fade them in one by one</p>
the jquery/js:
$(document).ready(function() {
var $txt = $(".example")
,$words = $txt.text()
,$splitWords = $words.split(" ");
$txt.hide();
for(i = 0; i < $splitWords.length; i++){
// i want fade in each $splitWords[i]
//$splitWords[i].fadeIn(.... - i tried this doesnt work
}
});
im trying to split the paragraph into words, and fade them in one by one, thier might be an easier way to do this without splitting the words, please shed some light on this. thanks
Share Improve this question asked Jul 24, 2012 at 19:02 unknownunknown 8663 gold badges16 silver badges38 bronze badges 1- 7 Text by itself can't have an opacity, therefore you must wrap the text with an element that can have opacity (such as a span). You can then fade in those spans. – Kevin B Commented Jul 24, 2012 at 19:04
3 Answers
Reset to default 15Text by itself can't have an opacity, therefore you must wrap the text with an element that can have opacity (such as a span). You can then fade in those spans.
Try this:
http://jsfiddle.net/6czap/
var $el = $(".example:first"), text = $el.text(),
words = text.split(" "), html = "";
for (var i = 0; i < words.length; i++) {
html += "<span>" + words[i] + " </span>";
}
$el.html(html).children().hide().each(function(i){
$(this).delay(i*500).fadeIn(700);
});
Update for benekastah: http://jsfiddle.net/6czap/3/
var $el = $(".example:first"), text = $.trim($el.text()),
words = text.split(" "), html = "";
for (var i = 0; i < words.length; i++) {
html += "<span>" + words[i] + ((i+1) === words.length ? "" : " ") + "</span>";
};
$el.html(html).children().hide().each(function(i){
$(this).delay(i*200).fadeIn(700);
});
$el.find("span").promise().done(function(){
$el.text(function(i, text){
return $.trim(text);
});
});
You will need to fade in elements, text nodes can't have a opacity.
See demo at jsfiddle.net
var p = $("p.example").hide(); // possible flash! You should add some script
// to the <head> that writes a stylesheet
// to hide them right from the start
(function oneParagraph(i) {
if (p.length <= i)
return;
var cur = p.eq(i),
words = cur.text().split(/\s/),
span = $("<span>"),
before = document.createTextNode("");
cur.empty().show().append(before, span);
(function oneWord(j) {
if (j < words.length) {
span.hide().text(words[j]).fadeIn(200, function() {
span.empty();
before.data += words[j]+" ";
oneWord(j+1);
});
} else {
span.remove();
before.data = words.join(" ");
setTimeout(function(){
oneParagraph(i+1);
}, 500);
}
})(0);
})(0);
If you need only one paragraph, you can leave out all the things beloning to the oneParagraph function - just make cur the selected element.
If you want to have a smoother animation, you'd need to animate multiple words at the same time (demo), or dont fade but append letterwise like in here. Alternatively you could make the fading-time dependent on the length of the current word.
You'll have a couple problems with the suggestions mentioned so far.
First, splitting and then hiding the text in Javascript will result in a Flash of Unstyled Content. Second, the number of reflows is going to be pretty bad for long text.
Rather than hiding the text, consider setting the foreground and background to the same color, and then changing it back.