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Python In this chapter, we will be covering methods used to add jQuery content. After you grasp their key differences, learning will be a breeze. You will learn how to make jQuery add child to a parent element and perform other similar additions.
Contents
jQuery Add Element: Main Tips
- jQuery has useful methods and selectors which allow you to manipulate DOM more conveniently than by simply using JavaScript.
- Using jQuery methods, you can add elements and content both inside and outside HTML tags of the elements.
- To make jQuery add child to an element, use
.prepend()for the first child and.append()for the last.
Available Methods
There are four methods that are used to add jQuery content:
.append()- insert content at the end of selected element (inside its HTML tags).prepend()- insert content at the start of selected element (inside its HTML tags).after()- insert content after the selected element (outside its HTML tags).before()- insert content before the selected element (outside its HTML tags)
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.append() or .prepend()
The .append() and .prepend() methods both follow this simple syntax:
$(selector).append | prepend(htmlContent, [htmlContent])
htmlContent can be a string, but it can also be a variable, and you can add as many of them as needed (separated by commas). This allows several elements to be added using a single .append() or .prepend() statement:
$("#btn1").click(() => {
$("p").prepend("<strong>Added to the front</strong>. ");
});
$("#btn2").click(() => {
$("ol").prepend("<li>Added to the top</li>");
});
$("#btn3").click(() => {
$("p").append(" <strong>Added to the back</strong>.");
});
$("#btn4").click(() => {
$("ol").append("<li>Added to the back</li>");
});.after() and .before()
The .after() and .before() methods place new content outside the tags of the selected element. Both of them follow syntax similar to the append and prepend statements:
$(selector).after | before(htmlContent, [htmlContent])
These methods can be used to add multiple elements as well. However, unlike in the previous example, if you were to select the <body> element, the newly added elements wouldn't appear anywhere since they would end up outside of the body of the web page:
$("#btn1").click(() => {
$("img").before("<strong>This text is on the left side</strong>");
});
$("#btn2").click(() => {
$("img").after("<strong>This text is on the right side</strong>");
});Note: If you need to make jQuery create elements to use first, don't forget to start with the document ready event.
jQuery Add Element: Summary
- Among other ways to conveniently modify and understand DOM information, jQuery offers a handy functionality that lets you add content to HTML elements.
- By applying
.prepend()or.append(), you can make jQuery add child to an HTML DOM element. - You can use these methods to add jQuery, JavaScript, or HTML made elements both inside and outside of their tags.
