The placeholder which to replace can obviously be anything. I use "{0}", "{1}" etc out of habit from C#. It just needs to be unique enough not to occur in the string other than where intended. So, …

Apr 30, 2014 · I need to add in a For Loop characters to an empty string. I know that you can use the function concat in Javascript to do concats with strings var first_name = "peter"; …

Dec 9, 2008 · If you want to append a single value into an array, simply use the push method. It will add a new element at the end of the array. But if you intend to add multiple elements then …

I have expanded the solution and combined it with another that I found to replace/update/remove the querystring parameters based on the users input and taking the urls anchor into …

Jan 28, 2009 · Uri and query string manipulation in javascript. ... value object of params to add * @returns {string ...

* * @this {String} * @param {number} start Index at which to start changing the string. * @param {number} delCount An integer indicating the number of old chars to remove. * @param {string} …

Jun 11, 2014 · @Ronal - if there are any extra bits to your question, you should add them to the question rather than asking within the comments, including any information that might help you …

var h1 = document.createElement("h1"); // setting white-space css property to get new line in textContent h1.setAttribute('style', 'white-space: pre-line;'); // use template literals `` to add …

Apr 15, 2011 · I’m using AJAX to append data to a <div> element, where I fill the <div> from JavaScript. How can I append new data to the <div> without losing the previous data …

Jun 7, 2019 · @Michael yes, this example add property only for String(). But it's possible to add property into all objects by using Window.prototype instead of String.prototype . – iiic