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- // definition
- function $(s) { return new lib(s); }
- function lib(s) { this.$els = document.querySelectorAll(s); }
- lib.prototype.css = function(prop, val) {
- this.$els.forEach($el => ($el.style[prop] = val));
- // this is what makes it chainable
- return this;
- };
- lib.prototype.text = function(val) {
- if (val) {
- this.$els.forEach($el => ($el.textContent = val));
- } else {
- return Array.from(this.$els)
- .map($el => $el.textContent)
- .join(' ');
- }
- // this is what makes it chainable
- return this;
- };
- // usage
- const texts = $('a').text();
- console.log(texts);
- $('a').css('color', 'red').text('this').text('no that');
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