I have somewhere on website a specific text, let's say "lollypops", and I want to replace all the occurrences of this string with "marshmellows". The problem is that I don't know where exactly the text is. I know I could do something like:
$(body).html($(body).html().replace('lollypops', 'marshmellows'));
This would probably work, but I need to rewrite as little HTML as I can, so I'm thinking something like:
class, but not in srcIn example, I would have structure like this
<body>
<div>
<div>
<p>
<h1>
<a>lollypops</a>
</h1>
</p>
<span>lollypops</span>
</div>
</div>
<p>
<span class="lollypops">Hello, World!</span>
<img src="/lollypops.jpg" alt="Cool image" />
</p>
<body>
In this example, every occurrence of "lollypops" would be replaced, only <img src="... would remain the same and the only elements that would actually be manipulated would be <a> and both <span>s.
Does anybody know how to do this?
This question is related to
javascript
jquery
jquery-selectors
You could do something like this:
HTML
<div class="element">
<span>Hi, I am Murtaza</span>
</div>
jQuery
$(".element span").text(function(index, text) {
return text.replace('am', 'am not');
});
Below is the code I used to replace some text, with colored text. It's simple, took the text and replace it within an HTML tag. It works for each words in that class tags.
$('.hightlight').each(function(){
//highlight_words('going', this);
var high = 'going';
high = high.replace(/\W/g, '');
var str = high.split(" ");
var text = $(this).text();
text = text.replace(str, "<span style='color: blue'>"+str+"</span>");
$(this).html(text);
});
You could do something this way:
$(document.body).find('*').each(function() {
if($(this).hasClass('lollypops')){ //class replacing..many ways to do this :)
$(this).removeClass('lollypops');
$(this).addClass('marshmellows');
}
var tmp = $(this).children().remove(); //removing and saving children to a tmp obj
var text = $(this).text(); //getting just current node text
text = text.replace(/lollypops/g, "marshmellows"); //replacing every lollypops occurence with marshmellows
$(this).text(text); //setting text
$(this).append(tmp); //re-append 'foundlings'
});
example: http://jsfiddle.net/steweb/MhQZD/
You could do something like this:
$("span, p").each(function() {
var text = $(this).text();
text = text.replace("lollypops", "marshmellows");
$(this).text(text);
});
It will be better to mark all tags with text that needs to be examined with a suitable class name.
Also, this may have performance issues. jQuery or javascript in general aren't really suitable for this kind of operations. You are better off doing it server side.
Why you just don't add a class to the string container and then replace the inner text ? Just like in this example.
HTML:
<div>
<div>
<p>
<h1>
<a class="swapText">lollipops</a>
</h1>
</p>
<span class="swapText">lollipops</span>
</div>
</div>
<p>
<span class="lollipops">Hello, World!</span>
<img src="/lollipops.jpg" alt="Cool image" />
</p>
jQuery:
$(document).ready(function() {
$('.swapText').text("marshmallows");
});
var string ='my string'
var new_string = string.replace('string','new string');
alert(string);
alert(new_string);
Source: Stackoverflow.com