how slice data text in vue .js code example

Example 1: vue slice words

var filter = function(text, length, clamp){
    clamp = clamp || '...';
    var node = document.createElement('div');
    node.innerHTML = text;
    var content = node.textContent;
    return content.length > length ? content.slice(0, length) + clamp : content;
};

Vue.filter('truncate', filter);

Example 2: vue slice words

{{data.content | truncate(300, '...')}}