javascript

[Solved] edit JavaScript files using node js

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I was able to edit a JavaScript file using regex. my code is below: function updateFile(filename, replacements) { return new Promise(function(resolve) { fs.readFile(filename, ‘utf-8’, function(err, data) { var regex, replaceStr; if (err) { throw (err); } else { regex = new RegExp(“(\\” + ‘let’ + “\\s* ]*” + replacements[0].rule + “\\s*=\\s*)([^\\n;}]+)([\\s*;}])”); replaceStr = “$1” + … Read more

[Solved] I Have an array of the Objects Inside Which i have key which is again Array of Objects Now I need to Check the Condition where id = 4

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I Have an array of the Objects Inside Which i have key which is again Array of Objects Now I need to Check the Condition where id = 4 solved I Have an array of the Objects Inside Which i have key which is again Array of Objects Now I need to Check the Condition … Read more

[Solved] Create dynamically and add to

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as i think (and the comments) … you’re new using jquery… so with jquery its very easy… append/appendTo is what you’re looking for … if you want to add TDs more than one table it’s not usefull to use ID attributes. because W3C says that IDs are unique on a page… better use the class … Read more

[Solved] External JavaScript does not work with jquery

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You’ll need to add the click function inside document ready. $(document).ready(function(){ $(“button#testBtn”).click(function(){ alert(“Works!”); }); }); Your method fails because the code is being executed as the page is being loaded and the elements it refers to haven’t been loaded yet. Using $(document).ready holds the function execution till the DOM elements are ready. solved External JavaScript … Read more

[Solved] JS / CSS Transition when Window not active

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The problem is that when the tab/window is hidden, browser doesn’t redraw its content but the script continues to run, and when you switch back, it catches up at the first script execution that cause a redraw. What you could do is use the Page Visibility API and stop script from running when tab/window is … Read more

[Solved] What does this code mean? JavaScript [closed]

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dataStuff.forEach(function (a) { grouped[a.Tag] = grouped[a.Tag] || []; //if grouped[a.Tag] array is undefined make it an array grouped[a.Tag].push(a); //try to push into array. }); Explaining your code. The line grouped[a.Tag].push(a); is supposed to push a values into the array grouped[a.Tag]. If at all this grouped[a.Tag] array is undefined you will get a error saying grouped[a.Tag] … Read more

[Solved] How to search for a value in Object which contains sub objects with as array values

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You can try this- const obj = { “India” : { “Karnataka” : [“Bangalore”, “Mysore”], “Maharashtra” : [“Mumbai”, “Pune”] }, “USA” : { “Texas” : [“Dallas”, “Houston”], “IL” : [“Chicago”, “Aurora”, “Pune”] } }; const search = (obj, keyword) => { return Object.values(obj).reduce((acc, curr) => { Object.entries(curr).forEach(([key, value]) => { if (value.indexOf(keyword) > -1) { … Read more

[Solved] Change variable value using onchange

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You have alert() in wrong place <select name=”select1″ onchange=”updatevariable(this.value)”> <option value=”2″ >2</option> <option value=”15″ >15</option> </select> <script type=”text/javascript”> var value = “test”; function updatevariable(data) { value = data; alert(value); } </script> In your code it is loaded right after the script is loaded, you have to modify it to be called right after change 4 … Read more

[Solved] How to make JS date respect local timezone?

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Assuming that seconds is a unix epoch (UTC), you should just use function date_str(seconds) { var dt = new Date(seconds*1000); console.log(dt); … instead. The get…() methods will respect the local timezone. If you don’t want that, you should use the getUTC…() equivalents. 0 solved How to make JS date respect local timezone?

[Solved] CSS not working for html elements created in javascript [closed]

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I can’t even believelocation.replace(‘javascript:page’ + page + ‘()’) works, but I simply moved the css into the returned html and images were hidden. function page1() { return “<html><head><style>.heraldone #text2,.heraldone #text3,.heraldone #text4,.heraldone #text5 {display: none;}</style></head><body class=”heraldone”><script src=”http://feed.informer.com/widgets/J9HBCBNMTQ.js”><\/script><\/body><\/html>”; } function page2() { return ‘<html><body>Hello world (2)</body></html>’; } function nextpage(page) { if (!document.image) { location.replace(‘javascript:page’ + page + … Read more

[Solved] Addition to Subtraction logic [closed]

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Here’s the jsfiddle update to handle subtraction: https://jsfiddle.net/wvary/2u5xtkv2/8/ Function taken from the new fiddle: //—Insert random pizza slices function insertPizzas() { selected = []; result = 0; //—Generate aleatory pieces var rand = 0; while (selected.length < 2) { //—Making sure first number is greater than 0 (0 is the index so it is actually … Read more