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Javascript Articles
Page 343 of 534
How to set the position of the list-item marker with JavaScript?
To set the position of the marker of the list-item, use the listStylePosition property in JavaScript. This property determines whether the list marker appears inside or outside the list item's content flow. Syntax element.style.listStylePosition = "inside" | "outside" | "inherit"; Parameters Value Description inside Marker is positioned inside the list item's content box outside Marker is positioned outside the list item's content box (default) inherit Inherits the value from parent element Example: Interactive List Position ...
Read MoreHow to create an ordered array from values that have an order number in JavaScript?
When working with arrays containing values and order numbers, you often need to sort them by their order and extract just the values. This is common when dealing with image galleries, menu items, or any data that needs custom ordering. Problem Setup Let's say we have an array of strings where each string contains a file path and an order number separated by a comma: const images = [ 'photo1.jpg, 0', 'photo2.jpg, 2', 'photo3.jpg, 1' ]; console.log("Original array:", images); Original array: [ 'photo1.jpg, 0', 'photo2.jpg, ...
Read MoreHow to set the maximum height of an element with JavaScript?
Use the maxHeight property in JavaScript to set the maximum height of an element. This property controls how tall an element can grow, with content overflowing when the limit is reached. Syntax element.style.maxHeight = "value"; Parameters The maxHeight property accepts various values: Pixels: "200px" Percentage: "50%" (relative to parent) Keywords: "none" (no limit), "initial", "inherit" Example: Setting Maximum Height #box { width: 300px; background-color: gray; ...
Read MoreGetting elements of an array depending on corresponding values of another JavaScript
Suppose we have two arrays, for example consider the following two: const array1 = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h']; const array2 = [ 1, 0, 0, 1 , 0, 0, 1, 0]; Both arrays are bound to have the same length. We need to write a function that, when provided with an element from the second array, returns a subarray from the first array containing all elements whose index corresponds to the index of the element we took as an argument in the second array. For example: findSubArray(0) should return: ...
Read MoreHow to set the margins of an element with JavaScript?
Use the margin property in JavaScript to set the margins of an element. You can access this through the element's style object to modify margins dynamically. Syntax element.style.margin = "value"; element.style.marginTop = "value"; element.style.marginRight = "value"; element.style.marginBottom = "value"; element.style.marginLeft = "value"; Setting All Four Margins You can set all margins at once using the shorthand margin property with space-separated values: Set All Margins This text will have its margins changed. ...
Read MoreRemove duplicates from an array keeping its length same in JavaScript
We have to write a function that takes in an array, removes all duplicates from it and inserts the same number of empty strings at the end. For example − If we find 4 duplicate values we have to remove them all and insert four empty strings at the end. Therefore, let's write the code for this problem − Problem Analysis The task requires us to: Remove duplicate elements from the array Keep only the last occurrence of each element Replace removed duplicates ...
Read MoreHow to set the list-item marker type with JavaScript?
To set the type of the list-item marker, use the listStyleType property in JavaScript. This property allows you to change bullet styles for unordered lists and numbering styles for ordered lists. Syntax element.style.listStyleType = "value"; Common List Style Types Here are the most commonly used marker types: Value Description Best for disc Filled circle (default) Unordered lists circle Empty circle Unordered lists square Filled square Unordered lists decimal Numbers (1, 2, 3...) Ordered lists upper-roman Uppercase Roman (I, II, III...) Ordered ...
Read MoreOrdering string in an array according to a number in the string JavaScript
We have an array of strings each of which contain one or more numbers like this − const arr = ['di5aster', 'ca1amity', 'cod3', 'ho2me3', 'ca11ing']; We are required to write a sorting function that sorts this array in ascending order of the numbers present in the strings. The correct order will be − const output = [ 'ca1amity', 'cod3', 'di5aster', 'ca11ing', 'ho2me3' ]; Therefore, let's write the code for this problem − Understanding the Problem Each string contains embedded numbers. We need to extract these numbers and sort the array ...
Read MoreHow to set the bottom margin of an element with JavaScript?
The marginBottom property in JavaScript allows you to dynamically set the bottom margin of an element. This property is part of the element's style object and accepts values in pixels, percentages, or other CSS units. Syntax element.style.marginBottom = "value"; Where value can be in pixels (px), percentages (%), em units, or other valid CSS margin values. Example: Setting Bottom Margin Here's how to set the bottom margin of an element when a button is clicked: ...
Read MoreHow to set the top margin of an element with JavaScript?
In JavaScript, you can set the top margin of an element using the marginTop property. This property allows you to dynamically modify the spacing above an element, making it useful for responsive layouts and interactive designs. Syntax element.style.marginTop = "value"; The value can be specified in various CSS units like pixels (px), percentages (%), em, rem, etc. Example #myID { border: 2px solid #000000; ...
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