createDirIfNotExists('test'); 3.currentURL:返回当前链接url const currentURL = () => window.location.href; currentURL(); // 'https://juejin.im' 4.distance:返回两点间的距离 该代码段通过计算欧几里得距离来返回两点之间的距离。 const distance = (x0, y0, x1, y1) => Math.hypot(x1 - x0...
JavaScript suggests a bunch of methods that help to get the current URL displayed at the address bar. All of the methods use the Location object (contains information about the current URL), which is a property of the Window object (provides current page address (URL) and redirects the ...
Find out the ways JavaScript offers you to get the current URL that's opened in the browserTo get the current URL of the page you opened in the browser using JavaScript you can rely on the location property exposed by the browser on the window object:...
The only way to become a clever programmer is to: Practice. Practice. Practice. Code. Code. Code ! JavaScript Exercises Many chapters in this tutorial end with an exercise where you can check your level of knowledge. See all JavaScript Exercises ...
array.findLastIndex(function(currentValue, index, arr), thisValue)ParametersParameter Description function() Required.A function to be run for each array element. currentValue Required.The value of the current element. index Optional.The index of the current element. arr Optional.The array of the...
splice() 是 JavaScript 数组的一个原生方法,用于在数组中插入、删除或替换元素。这个方法可以接收多个参数,其中前两个参数是必需的。 🗨️第一个参数,要操作的起始位置,也就是从哪个下标开始进行插入、删除或替换。 🗨️第二个参数,要删除的元素数量,如果为 0,则表示不删除任何元素,只进行插入操作。
find('.selected'). highlight(). end(). find('.open'). updateCount(); // good $('#items') .find('.selected') .highlight() .end() .find('.open') .updateCount(); // bad const leds = stage.selectAll('.led').data(data).enter().append('svg:svg').classed('led', true) ...
find('.modal-title').text('New message to ' + recipient) modal.find('.modal-body input').val(recipient) }) 用法 通过data 属性或 JavaScript 调用模态框插件,可以根据需要动态展示隐藏的内容。模态框弹出时还会为 元素添加 .modal-open 类,从而覆盖页面默认的滚动行为,并且还会自动生成一个 .modal-b...
Bit - Create, find and reuse components (React, Angular, Node etc.) across applications.LoadersModule or loading system for JavaScript.RequireJS - A file and module loader for JavaScript. browserify - Browser-side require() the node.js way. SeaJS - A Module Loader for the Web. HeadJS -...
There's no document object model (DOM) or local storage, as you would find in a browser-based JavaScript runtime environment. This means you can't load any libraries that use the DOM, such as jQuery. Also, you can't access the Office.js API to interact with the document like you ...