[Solved] Why does [].push([]) return 1? [duplicate]

.push() returns the new length of the array. [‘one’].push(‘two’); // returns 2 (array length is 2) [‘one’, ‘two’].push(‘something’); // returns 3 (array length is 3) In your case: [].push([]); // array length is 1 where you get array within array. [[]] 0 solved Why does [].push([]) return 1? [duplicate]

[Solved] Same data from checkbox value

id must be unique if you are calling with id script <script type=”text/javascript”> function boxclick(checkvalue,str,chk) { var lfckv = document.getElementById(chk).checked alert(lfckv) alert(checkvalue); alert(str); if(lfckv) { //code on checked } else { //code on unchecked } } </script> html <ul> <li><input type=”checkbox” id=”value1″ value=”wsn/qabala.php” onclick=”boxclick(this.value,’qabala’,’value1′)” /> Qabala</li> <li><input type=”checkbox” id=”value2″ value=”wsn/ismailli.php” onclick=”boxclick(this.value,’ismailli’,’value2′)” /> Ismayilli</li> <li><input type=”checkbox” … Read more

[Solved] Code Mysteriously Stops Working [closed]

You probably need to change value to innerHTML or innerText, in your setInterval function. document.getElementById(id).innerHTML= result; I’m not sure what changed to break it though. http://jsfiddle.net/g2Lodf23/ 1 solved Code Mysteriously Stops Working [closed]

[Solved] jQuery validate function Does not work [closed]

You need to add the validation to the form element and set the required rule to the checkbox <form id=”myform”> <input type=”checkbox” value=”agree” name=”agree” id=”agree” /> <input type=”submit”> </form> then jQuery(function ($) { $(“#myform”).validate({ rules: { agree: { required: true } }, messages: { agree: “Please agree the terms and conditions” } }); }); Demo: … Read more

[Solved] How to get multiple API fetch data avoid first consle.log empty array

To avoid Warn: Possible unhandled Promise Rejection (id:0) useEffect(() => { fetchData(); }, []); async function fetchData(){ try{ const requestArray = await Promise.all(ids?.map((id) => { return fetch(`https://jsonplaceholder.typicode.com/posts/${id}`) .then((response) => response.json()) .then((dataLoc) => { return dataLoc.title; }) .catch((error) => console.error(error)); })); console.log(JSON.stringify(requestArray)); setDataLoc(requestArray); } catch (error) { console.log(error); } } solved How to get multiple API … Read more

[Solved] Get all unique values in a JavaScript array (remove duplicates)

With JavaScript 1.6 / ECMAScript 5 you can use the native filter method of an Array in the following way to get an array with unique values: function onlyUnique(value, index, self) { return self.indexOf(value) === index; } // usage example: var a = [‘a’, 1, ‘a’, 2, ‘1’]; var unique = a.filter(onlyUnique); console.log(unique); // [‘a’, … Read more

[Solved] How do I format a date in JavaScript?

For custom-delimited date formats, you have to pull out the date (or time) components from a DateTimeFormat object (which is part of the ECMAScript Internationalization API), and then manually create a string with the delimiters you want. To do this, you can use DateTimeFormat#formatToParts. You could destructure the array, but that is not ideal, as … Read more