The tutor shares an observation about the concat() function. The concat() function is used to join one or more strings to the end of another: var strng0 = “This string, “; var strng1 = “then this one” var strng2 = …

JavaScript: literal string with the concat() function Read more »

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The tutor tells a trick for printing long strings with JavaScript. Suppose you have a long string, over many lines, that you want to print with JavaScript. Typically, to print a string, you might assign it to a variable, then …

Web Programming: JavaScript: how to manage a multi-line string Read more »

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The tutor shows an example of a wrapper program in action. To my knowledge, a wrapper is a program that hides a function that the managing system can’t handle. The “wrapping” is code that the managing system recognizes as the …

Web design: a JavaScript wrapper for SVG in WordPress Read more »

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The tutor discusses what he noticed while experimenting with jQuery css() and JavaScript style. JavaScript has a style function that allows you to access style attributes of an element. For example, to get an element’s color: var e1_color=document.getElementById(“e1”).style.color; However, as …

Web design: jQuery css() and JavaScript style: boundary testing Read more »